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Encyclopedia > 66 (number)

66 is the natural number following 65 and preceding 67. In mathematics, a natural number is either a positive integer (1, 2, 3, 4, ...) or a non-negative integer (0, 1, 2, 3, 4, ...). The former definition is generally used in number theory, while the latter is preferred in set theory. ... 65 is the natural number following 64 and preceding 66. ... 67 is the natural number following 66 and preceding 68. ...

 << 60 61 62 63 64 65 66 67 68 69 >> 59 is the natural number following 58 and preceding 60. ... 60 (sixty) is the natural number following 59 and preceding 61. ... 61 (sixty-one) is the natural number following 60 and preceding 62. ... 62 is a natural number following 61 and preceding 63. ... Sixty-three is a natural number following 62 and preceding 64. ... 64 is the natural number following 63 and preceding 65. ... 65 is the natural number following 64 and preceding 66. ... 67 is the natural number following 66 and preceding 68. ... 68 is the natural number following 67 and preceding 69 Cardinal sixty-eight Ordinal 68th (sixty-eighth) Factorization Divisors 2, 4, 17, 34 Roman numeral LXVIII Binary 1000100 Hexadecimal 44 In mathematics Sixty-eight is a nontotient. ... 69 is the natural number following 68 and preceding 70. ... 70 (seventy) is the natural number following 69 and preceding 71. ... List of numbers -- Integers This is a list of articles about numbers. ... The integers consist of the positive natural numbers (1, 2, 3, â€¦), their negatives (âˆ’1, âˆ’2, âˆ’3, ...) and the number zero. ... 0 10 20 30 40 50 60 70 80 90 >> 0 (zero), alternatively called naught, nil, ought, or nought, is both a number and a numeral. ... 10 (ten) is the 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 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 sixty-six Ordinal 66th (sixty-sixth) Factorization $2 cdot 3 cdot 11$ Divisors 2, 3, 6, 11, 22, 33 Roman numeral LXVI Binary 1000010 Hexadecimal 42

In linguistics, cardinal numbers is the name given to number words that are used for quantity (one, two, three), as opposed to ordinal numbers, words that are used for order (first, second, third). ... 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 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) represents numeric values using two symbols, typically 0 and 1. ... In mathematics and computer science, hexadecimal, or simply hex, is a numeral system with a radix or base of 16 usually written using the symbols 0â€“9 and Aâ€“F or aâ€“f. ...

66 is a sphenic number, a triangular number, a hexagonal number, and a semi-meandric number. A sphenic number is a positive integer that is the product of three distinct prime factors. ... A triangular number is a number that can be arranged in the shape of an equilateral triangle. ... A hexagonal number is a figurate number that represents a hexagon. ... In mathematics, a meander or closed meander is a self-avoiding closed curve which intersects a line a number of times. ...

## In science

In astronomy, The atomic number (Z) is a term used in chemistry and physics to represent the number of protons found in the nucleus of an atom. ... General Name, Symbol, Number dysprosium, Dy, 66 Chemical series lanthanides Group, Period, Block ?, 6, f Appearance silvery white Atomic mass 162. ... Astrology: the study of the positions of the celestial objects relative to the Earth and how these positions affect happenings on the lives of cultures, nations and the natural environment. ...

Messier object M66, a magnitude 10.0 galaxy in the constellation Leo
The New General Catalogue object NGC 66, a peculiar barred spiral galaxy in the constellation Cetus
The Saros number of the solar eclipse series which began on -756 March 12 and ended on 542 May 1. The duration of Saros series 66 was 1298.1 years, and it contained 73 solar eclipses.
The Saros number of the lunar eclipse series which began on -671 August 12 and ended on 826 January 27. The duration of Saros series 66 was 1496.5 years, and it contained 84 lunar eclipses.

Table of all 110 Messier objects. ... Spiral Galaxy M66 (also known as Messier Object 66, Messier 66, M66, or NGC 3627) is a spiral galaxy in the Leo constellation. ... 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. ... Orion is a remarkable constellation, visible from most places on the globe (but not always the whole year long). ... Leo (Latin for lion, symbol , Unicode â™Œ) is a constellation of the zodiac. ... The New General Catalogue (NGC) is the most well-known catalogue of deep sky objects in amateur astronomy. ... A peculiar galaxy is a galaxy which is unusual in its size, shape, or composition. ... NGC 1300, viewed nearly face-on. ... Cetus (a name from Greek mythology, referring to a Whale or Sea monster, see Ceto) is a constellation of the southern sky, in the region known as the Water, near other watery constellations like Aquarius, Pisces, and Eridanus. ... 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 French 1999 eclipse A solar eclipse occurs when the Moon passes in front of the Sun and obscures it totally or partially. ... March 12 is the 71st day of the year in the Gregorian Calendar (72nd in Leap years). ... Events The plague killed upwards of 100,000 in Constantinople and perhaps two million or more in the rest of the Byzantine Empire (possibly exaggerated). ... May 1 is the 121st day of the year in the Gregorian calendar (122nd in leap years). ... An eclipse occurs whenever the Sun, Earth and Moon line up exactly. ... August 12 is the 224th day of the year (225th in leap years) in the Gregorian Calendar. ... Events The Danish king accepts Christianity. ... January 27 is the 27th day of the year in the Gregorian calendar. ...

## In other fields

66 is also: Download high resolution version (1108x764, 43 KB)Public domain from http://www. ... Download high resolution version (1108x764, 43 KB)Public domain from http://www. ... Results from FactBites:

 66 (number) - definition of 66 (number) in Encyclopedia (127 words) 66 is the natural number following 65 and preceding 67. 66 is a sphenic number, a triangular number, a hexagonal number, and a semi-meandric number. The designation of the historic Route 66, dubbed the "Mother Road" by novelist John Steinbeck.
 66 (number) - Wikipedia, the free encyclopedia (289 words) The New General Catalogue object NGC 66, a peculiar barred spiral galaxy in the constellation Cetus The Saros number of the solar eclipse series which began on -756 March 12 and ended on 542 May 1. The Saros number of the lunar eclipse series which began on -671 August 12 and ended on 826 January 27.
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