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Encyclopedia > 61 (number)

61 (sixty-one) is the natural number following 60 and preceding 62. In mathematics, a natural number can mean either an element of the set {1, 2, 3, ...} (i. ... 60 (sixty) is the natural number following 59 and preceding 61. ... 62 (sixty-two) is a natural number following 61 and preceding 63. ...

60 61 62 63 64 65 66 67 68 69 59 (fifty-nine) is the natural number following 58 and preceding 60. ... 60 (sixty) is the natural number following 59 and preceding 61. ... 62 (sixty-two) is a natural number following 61 and preceding 63. ... Sixty-three is a natural number following 62 and preceding 64. ... 64 (sixty-four) is the natural number following 63 and preceding 65. ... 65 is the natural number following 64 and preceding 66. ... 66 is the natural number following 65 and preceding 67. ... 67 is the natural number following 66 and preceding 68. ... 68 (sixty-eight) is the natural number following 67 and preceding 69 In mathematics Sixty-eight is a nontotient. ... 69 (sixty-nine) is the natural number following 68 and preceding 70. ... 70 (seventy) is the natural number following 69 and preceding 71. ...

List of numbersIntegers This is a list of articles about numbers (not about numerals). ... The integers are commonly denoted by the above symbol. ...

0 10 20 30 40 50 60 70 80 90 0 (zero) is both a number and a numerical digit used to represent that number in numerals. ... 10 (ten) is an even natural number following 9 and preceding 11. ... 20 (twenty) is the natural number following 19 and preceding 21. ... 30 (thirty) is the natural number following 29 and preceding 31. ... 40 (forty) is the natural number following 39 and preceding 41. ... 50 (fifty) is the number following 49 and preceding 51. ... 60 (sixty) is the natural number following 59 and preceding 61. ... 70 (seventy) is the natural number following 69 and preceding 71. ... 80 (eighty) is the natural number following 79 and preceding 81. ... 90 (ninety) is the natural number preceded by 89 and followed by 91. ... 100 (one hundred) (the Roman numeral is C for centum) is the natural number following 99 and preceding 101. ...

Cardinal 61
sixty-one
Ordinal 61st
sixty-first
Factorization prime
Divisors 1, 61
Roman numeral LXI
Binary 111101
Hexadecimal 3D
Look up sixty-one in
Wiktionary, the free dictionary.

Contents

Aleph-0, the smallest infinite cardinal In mathematics, cardinal numbers, or cardinals for short, are a generalized kind of number used to denote the size of a set. ... Commonly, ordinal numbers, or ordinals for short, are numbers used to denote the position in an ordered sequence: first, second, third, fourth, etc. ... In mathematics, factorization or factoring is the decomposition of an object (for example, a number, a polynomial, or a matrix) into a product of other objects, or factors, which when multiplied together give the original. ... In mathematics, a prime number (or a prime) is a natural number that has exactly two (distinct) natural number divisors. ... In mathematics, a divisor of an integer n, also called a factor of n, is an integer which evenly divides n without leaving a remainder. ... The system of Roman numerals is a numeral system originating in ancient Rome, and was adapted from Etruscan numerals. ... The binary numeral system (base 2 numerals) represents numeric values using two symbols, typically 0 and 1. ... In mathematics and computer science, base-16, hexadecimal, or simply hex, is a numeral system with a radix or base of 16, usually written using the symbols 0–9 and A–F or a–f. ... Wikipedia does not have an article with this exact name. ... Wiktionary is a multilingual, Web-based project to create a free content dictionary, available in over 150 languages. ...

In mathematics

It is the 18th prime number. The previous is 59, with which it comprises a twin prime. Sixty-one is a cuban prime of the form p = (x3y3) / (xy),x = y + 1. In mathematics, a prime number (or a prime) is a natural number that has exactly two (distinct) natural number divisors. ... 59 (fifty-nine) is the natural number following 58 and preceding 60. ... A twin prime is a prime number that differs from another prime number by two. ... A cuban prime is a prime number that is a solution to one of two different specific equations involving third powers of x and y. ...


Sixty-one might be the largest prime that divides the product of the next two primes plus 1. If there is a larger such prime, it would have to be greater than 179424673.


Sixty-one is the sum of two squares, 52 + 62, and it is also a centered square number, a centered hexagonal number and a centered decagonal number. A centered square number is a centered figurate number that represents a square with a dot in the center and all other dots surrounding the center up to a certain city block distance, i. ... A centered hexagonal number, or hex number is a centered figurate number that represents a hexagon with a dot in the center and all other dots surrounding the center dot in successive hexagonal layers. ... A centered decagonal number is a centered figurate number that represents a decagon with a dot in the center and all other dots surrounding the center dot in successive decagonal layers. ...


Since 8! + 1 is divisible by 61 but 61 is not one more than a multiple of 8, 61 is a Pillai prime. A Pillai prime is a prime number p for which there is an integer n > 0 such that the factorial of n is one less than a multiple of the prime, but the prime is not one more than a multiple of n. ...


It is also a Keith number, because it recurs in a Fibonacci-like sequence started from its base 10 digits: 6, 1, 7, 8, 15, 23, 38, 61... In mathematics, a Keith number or repfigit number is an integer that appears as a term in a linear recurrence relation with initial terms based off its own digits. ...


In science

The chemical element with the atomic number 61 (promethium), a lanthanide, is the element with the secondary lowest ordinal number, which does not possess any stable isotopes. The promethium preceding element with atomic number 60 (neodymium) and the promethium following element 62 (samarium) have all stable isotopes. It has been suggested that List of elements by atomic number be merged into this article or section. ... General Name, Symbol, Number promethium, Pm, 61 Chemical series lanthanides Group, Period, Block n/a, 6, f Appearance metallic Atomic mass [145](0) g/mol Electron configuration [Xe] 4f5 6s2 Electrons per shell 2, 8, 18, 23, 8, 2 Physical properties Phase solid Density (near r. ... It has been suggested that List of elements by atomic number be merged into this article or section. ... General Name, Symbol, Number neodymium, Nd, 60 Chemical series lanthanides Group, Period, Block n/a, 6, f Appearance silvery white, yellowish tinge Atomic mass 144. ... General Name, Symbol, Number samarium, Sm, 62 Chemical series lanthanides Group, Period, Block n/a, 6, f Appearance silvery white Atomic mass 150. ...


Astronomy

  • The Saros number of the solar eclipse series which began on -973 May 10 and ended on 289 June 5. The duration of Saros series 61 was 1262.1 years, and it contained 71 solar eclipses.
  • The Saros number of the lunar eclipse series which began on -870 October 20 and ended on 609 March 26. The duration of Saros series 61 was 1478.4 years, and it contained 83 lunar eclipses.
  • 61 Ursae Majoris is located about 31.1 light-years from Sol.[1]
  • 61 Cygni was christened the "Flying Star" in 1792 by Giuseppe Piazzi (1746-1826) for its unusually large proper motion. [2]

The Messier objects are a set of astronomical objects catalogued by Charles Messier in his catalogue of Nebulae and Star Clusters first published in 1774. ... M61 may refer to: M61 motorway, a major road in England M61, a spiral galaxy M61, a grenade M61 Vulcan, a Gatling gun in use by the U.S. military This is a disambiguation page — a navigational aid which lists other pages that might otherwise share the same title. ... The apparent magnitude (m) of a star, planet or other heavenly body is a measure of its apparent brightness; that is, the amount of light received from the object. ... NGC 4414, a typical spiral galaxy in the constellation Coma Berenices, is about 56,000 light-years in diameter and approximately 60 million light-years distant. ... This article or section does not cite its references or sources. ... See VIRGO (physics) for a French-Italian project in physics. ... The New General Catalogue (NGC) is the most well-known catalogue of deep sky objects in amateur astronomy. ... A spiral galaxy is a type of galaxy in the Hubble sequence which is characterized by the following physical properties: Spiral Galaxy M74 presents a face-on view of its spiral arms. ... For other uses, see Pisces. ... A Saros cycle is a period of 6585 + 1/3 days (approximately 18 years 10 days and 8 hours) which can be used to predict eclipses of the sun and the moon. ... Photo taken during the 1999 eclipse. ... May 10 is the 130th day of the year in the Gregorian Calendar (131st in leap years). ... Events Constantius Chlorus married Flavia Maximiana Theodora, stepdaughter of Maximian after renouncing Helena, his wife and mother of Constantine the Great. ... June 5 is the 156th day of the year in the Gregorian calendar (157th in leap years), with 209 days remaining. ... An eclipse refers to the phenomenon of one body passing into the shadow cast by another body. ... October 20 is the 293rd day of the year (294th in leap years) in the Gregorian Calendar, with 72 days remaining. ... Events The Pantheon is consecrated to the Virgin Mary and all saints (or 610). ... March 26 is the 85th day of the year in the Gregorian Calendar (86th in leap years). ...

In other fields

Sixty-one is:

The départements (or departments) are administrative units of France, roughly analogous to British counties and are now grouped into 22 metropolitan and four overseas régions. ... Orne is a département in the northwest of France named after the Orne River. ... This is a list of country calling codes, also known as international direct dialing (IDD) codes, which are needed to access international telephone services. ... Look up phone in Wiktionary, the free dictionary. ... 61* is a United States baseball movie, made for HBO, directed by Billy Crystal and written by Hank Steinberg. ... 2001 (MMI) was a common year starting on Monday of the Gregorian calendar. ... A baseball movie refers to a sports film belonging to a genre where the game of baseball is prominently featured in the plot. ... Billy Crystal (born Israel William Krisstalsterne on March 14, 1947 in Long Beach, New York) is a Jewish American actor, writer, producer, comedian and film director. ... Metal Gear Solid 2: Sons of Liberty (commonly abbreviated MGS2) is a stealth-based game that was developed and published by Konami for the PlayStation 2 in 2001. ... United States Highway 61 is the official designation for a United States highway that once ran from New Orleans through Memphis and Iowa through Duluth, Minnesota all the way to Thunder Bay, Ontario in Canada. ... This article is about the U.S. State. ... Highway 61 Revisited, widely regarded as one of the greatest albums ever, was the sixth album released by American singer-songwriter Bob Dylan. ... Bob Dylan (born Robert Allen Zimmerman, May 24, 1941) is an American singer-songwriter, author, musician, and poet who has been a major figure in popular music for five decades. ... It has been suggested that this article be split into multiple articles. ... Polish Boy Scouts fighting in the Warsaw Uprising Boy Scouts originally denoted the organization that developed and rapidly grew up during 1908 in the wake of the publication by Lord Robert Baden-Powell of his book Scouting for Boys. ... The Kansas City Metropolitan Area is a metropolitan area situated at the confluence of the Kansas and Missouri Rivers (Kaw Point) and straddling the state border between Missouri and Kansas. ... The Northrop P-61 Black Widow was an all-metal, twin-engine, twin-boom, monoplane night fighter and night intruder aircraft flown by the United States Army Air Forces during World War II. It was the first American aircraft designed specifically as a radar-equipped night fighter. ... Never Give a Sucker an Even Break is a 1941 comedy film starring and scripted by W.C. Fields. ... For the movie, see 1941 (film). ... For the victim of Mt. ... The mushroom cloud of the atomic bombing of Nagasaki, Japan, in 1945 lifted nuclear fallout some 18 km (60,000 feet) above the epicenter. ... Year 1945 (MCMXLV) was a common year starting on Monday (the link is to a full 1945 calendar). ... Nixon redirects here. ... 1974 (MCMLXXIV) was a common year starting on Tuesday. ... Gerald Rudolph Ford, Jr. ... This article is about the capital of England and the United Kingdom. ... Grace, Princess of Monaco, née Grace Patricia Kelly (November 12, 1929 – September 14, 1982) was an Academy Award-winning American film actress who, upon marriage to Rainier III, Prince of Monaco on April 19, 1956, became Her Serene Highness The Princess of Monaco. ... ––§ Ray Milland in The Lost Weekend Ray Milland (January 3, 1905 – March 10, 1986) was a successful Welsh actor and director who worked primarily in the United States. ... Dial M for Murder is a 1954 Warner Brothers film directed by Alfred Hitchcock starring Grace Kelly and Ray Milland as a married couple. ... Nickname: City of Brotherly Love, Philly, the Cradle of Liberty, the City That Loves You Back, the Quaker City, The Birthplace of America Motto: Philadelphia maneto - Let brotherly love continue Location in Pennsylvania Coordinates: Country United States State Pennsylvania County Philadelphia Founded October 27, 1682 Incorporated October 25, 1701 Mayor...

In sports

Major league affiliations American League (1901–present) East Division (1969–present) Current uniform Retired Numbers 1, 3, 4, 5, 7, 8, 9, 10, 15, 16, 23, 32, 37, 44, 49 Name New York Yankees (1913–present) New York Highlanders (1903-1912) Baltimore Orioles (1901-1902) (Also referred to as Americans... Roger Maris signs a baseball for President John F. Kennedy Roger Eugene Maris (September 10, 1934 – December 14, 1985), was a Major League Baseball player primarily remembered for breaking Babe Ruths 34-year-old single-season home run record in 1961 on the last day of the season. ... Nolan Ryan pitching in Atlanta on June 28, 1983 Lynn Nolan Ryan, Jr. ... George Thomas Seaver (born November 17, 1944 in Fresno, California) is a former Major League Baseball pitcher who broke into the major leagues in 1967 and retired in 1986. ... Wayne Douglas Gretzky, OC (born January 26, 1961) is a retired Canadian professional ice hockey player who is currently part-owner and head coach of the Phoenix Coyotes. ... NHL can also be an abbreviation for National Historic Landmark or Non-Hodgkins lymphoma. ... Lakers logo 1966-1991 Lakers alternate logo 2002- The Los Angeles Lakers are a professional basketball team, based in Los Angeles, California, who play in the National Basketball Association. ... Elgin Gay Baylor (born September 16, 1934 in Washington, D.C.) is an American former basketball forward. ... Major league affiliations American League (1961-present) West Division (1969-present) Major league titles World Series titles (1) 2002 AL Pennants (1) 2002 West Division titles (5) 2005 â€¢ 2004 â€¢ 1986 â€¢ 1982 1979 Wild card berths (1) 2002 Major league nicknames Los Angeles Angels of Anaheim (2005-present) Anaheim Angels (1997... Brian Bannister (born February 28, 1981) is a starting pitcher for the Kansas City Royals in Major League Baseball. ... Major league affiliations National League (1962–present) East Division (1969–present) Current uniform Retired Numbers 14, 37, 41, 42 Name New York Mets (1962–present) Ballpark Shea Stadium (1964–present) The Polo Grounds (1962–1963) Major league titles World Series titles (2) 1969 â€¢ 1986 NL Pennants (4) 1969 â€¢ 1973 â€¢ 1986... Major league affiliations National League (1890–present) Central Division (1994–present) Current uniform Retired Numbers 1,5,8,10,18,20,24 Name Cincinnati Reds (1876–present) (Referred to as Redlegs 1953-1958) Ballpark Great American Ball Park (2003–present) Riverfront Stadium (1970-2002) a. ... Bronson Anthony Arroyo [ah-ROY-yoh] (born February 24, 1977 in Key West, Florida,) is a popular Major League Baseball right-handed pitcher for the Cincinnati Reds and a rock musician. ... The Buffalo Sabres are a professional ice hockey team based in Buffalo, New York. ... Maxim Sergeyevich Afinogenov (Ru: Максим Сергеевич Афиногенов, Maksim Sergejevič Afinogenov, ; born September 4, 1979 in Moscow, USSR; now Russia) is a professional ice hockey player. ... The Carolina Hurricanes are a National Hockey League team in Raleigh, North Carolina. ... Cory Stillman is a professional ice hockey player in the National Hockey League (NHL). ... The Columbus Blue Jackets are a professional ice hockey team based in Columbus, Ohio, United States. ... Rick Nash (born June 16, 1984, in Brampton, Ontario) is a professional ice hockey Left Wing in the NHL, playing for the Columbus Blue Jackets. ... City Denver, Colorado Other nicknames Orange Crush Team colors Orange and Broncos Navy Blue [1] Head Coach Mike Shanahan Owner Pat Bowlen General manager Ted Sundquist Mascot Miles League/Conference affiliations American Football League (1960-1969) Western Division (1960-1969) National Football League (1970–present) American Football Conference (1970–present...

Historical years

61 A.D., 61 B.C., 1961, 2061, etc. Events By place Roman Empire Celtic revolt in Britain led by Boudicca, Queen of the Iceni. ... Centuries: 2nd century BC - 1st century BC - 1st century Decades: 110s BC 100s BC 90s BC 80s BC 70s BC - 60s BC - 50s BC 40s BC 30s BC 20s BC 10s BC Years: 66 BC 65 BC 64 BC 63 BC 62 BC 61 BC 60 BC 59 BC 58... 1961 (MCMLXI) was a common year starting on Sunday (the link is to a full 1961 calendar). ... For the book, see 2061: Odyssey Three. ...


Reference

  • R. Crandall and C. Pomerance (2005). Prime Numbers: A Computational Perspective. Springer, NY, 2005, p. 79.

External links


  Results from FactBites:
 
60 (number) - Wikipedia, the free encyclopedia (464 words)
Sixty is a composite number with divisors 1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, making it also a highly composite number.
60 is the smallest number divisible by the numbers 1 to 6.
This number is the sum of a pair of twin primes (29 + 31), as well as the sum of four consecutive primes (11 + 13 + 17 + 19).
61 (number) - Wikipedia, the free encyclopedia (267 words)
61 (sixty-one) is the natural number following 60 and preceding 62.
The Saros number of the solar eclipse series which began on -973 May 10 and ended on 289 June 5.
The Saros number of the lunar eclipse series which began on -870 October 20 and ended on 609 March 26.
  More results at FactBites »

 
 

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