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Encyclopedia > 666 (number)
 666 List of numbers — Integers This is a list of articles about numbers (not about numerals). ... Not to be confused with Natural number. ... ← 0 100 200 300 400 500 600 700 800 900 → In mathematics, −1 is the integer greater than negative two (−2) and less than 0. ... Zero redirects here. ... 100 (one hundred) (the Roman numeral is C for centum) is the natural number following 99 and preceding 101. ... 200 is the natural number following 199 and preceding 201. ... 300 (three hundred) is the natural number following two hundred ninety-nine and preceding three hundred one. ... Four hundred is the natural number following three hundred ninety-nine and preceding four hundred one. ... Five hundred is the natural number following four hundred ninety-nine and preceding five hundred one. ... Six hundred is the natural number following five and hundred ninety-nine and preceding six hundred and one. ... 700 (seven hundred) is the natural number following 699 and preceding 701. ... 800 (eight hundred) is the natural number following 799 and preceding 801. ... Nine hundred is the natural number following eight hundred ninety-nine and preceding nine hundred one. ... Look up one thousand in Wiktionary, the free dictionary. ... Cardinal Six hundred sixty-six Ordinal 666th Factorization $2 cdot 3^2 cdot 37$ Greek numeral χξϛʹ Roman numeral DCLXVI Binary 1010011010 Octal 1232 Hexadecimal 29A Base12 476, i.e. 04 07 06 Base32 KQ Base36 II Base60 11 06

## 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, known as its cardinality. ... In set theory, ordinal, ordinal number, and transfinite ordinal number refer to a type of number introduced by Georg Cantor in 1897, to accommodate infinite sequences and to classify sets with certain kinds of order structures on them. ... ... Greek numerals are a system of representing numbers using letters of the Greek alphabet. ... The system of Roman numerals is a numeral system originating in ancient Rome, and was adapted from Etruscan numerals. ... The binary numeral system, or base-2 number system, is a numeral system that represents numeric values using two symbols, usually 0 and 1. ... The octal numeral system, or oct for short, is the base-8 number system, and uses the digits 0 to 7. ... In mathematics and computer science, hexadecimal, base-16, 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. ... Base32 is a derivation of Base64 with the following additional properties: The resulting character set is all uppercase, which can often be beneficial when using a case-sensitive filesystem. ... Base 36 is a positional numeral system using 36 as the radix. ...

## In mathematics

666 is the natural number following 665 and preceding 667. It is also an abundant number. It is the sum of the first 36 natural numbers (i.e. 1 + 2 + 3 + ... + 34 + 35 + 36 = 666), and thus a triangular number. Since 36 is both square and triangular, 666 is the sixth number of the form n2(n2 + 1) / 2 (sequence A037270 in OEIS) and the eighth number of the form n(n + 1)(n2 + n + 2) / 8 (doubly triangular numbers, A002817). In mathematics, an abundant number or excessive number is a number n for which Ïƒ(n) > 2n. ... A triangular number is the sum of the n natural numbers from 1 to n. ... 36 (thirty-six) is the natural number following 35 and preceding 37. ... In mathematics, a square number, sometimes also called a perfect square, is an integer that can be written as the square of some other integer; in other words, it is the product of some integer with itself. ... The On-Line Encyclopedia of Integer Sequences (OEIS) is an extensive searchable database of integer sequences, freely available on the Web. ...

666 is the sum of the squares of the first seven prime numbers (i.e. 22 + 32 + 52 + 72 + 112 + 132 + 172 = 666). In mathematics, a prime number (or a prime) is a natural number which has exactly two distinct natural number divisors: 1 and itself. ...

The harmonic mean of the decimal digits of 666 is (trivially -- all repdigit natural numbers have this property) an integer: 3/(1/6 + 1/6 + 1/6) = 6, making 666 the 54th number with this property. In mathematics, the harmonic mean (formerly sometimes called the subcontrary mean) is one of several kinds of average. ... In mathematics and computer science, a numerical digit is a symbol, e. ... In recreational mathematics, a repdigit is a natural number composed of repeated instances of the same digit, most often in the decimal numeral system. ... Not to be confused with Natural number. ...

In base 10, 666 is a palindromic number, a repdigit and a Smith number. A prime reciprocal magic square based on 1/149 in base 10 has a magic total of 666. A palindromic number is a symmetrical number like 16461, that remains the same when its digits are reversed. ... In recreational mathematics, a repdigit is a natural number composed of repeated instances of the same digit, most often in the decimal numeral system. ... A Smith number is a number which in a given base, the sum of its digits is equal to the sum of the digits in its factorization. ... In mathematics, a reciprocal is a number divided into one, like 1/3 or 1/7. ...

The Roman numeral representation of the number 666 (DCLXVI) uses once each the Roman numeral symbols with values under 1,000, occurring in descending order of their respective values (D = 500, C = 100, L = 50, X = 10, V = 5, I = 1). The system of Roman numerals is a numeral system originating in ancient Rome, and was adapted from Etruscan numerals. ...

666 is a member of the Indices of prime Padovan sequence, 3, 4, 5, 7, 8, 14, 19, 30, 37, 84, 128, 469, 666, 1262, 1573, 2003, 2210, ... (sequence A112882 in OEIS). The Padovan sequence is the sequence of integers P(n) defined by the initial values and the recurrence relation The first few values of P(n) are 1, 1, 1, 2, 2, 3, 4, 5, 7, 9, 12, 16, 21, 28, 37, 49, 65, 86, 144, 151, 200. ... The On-Line Encyclopedia of Integer Sequences (OEIS) is an extensive searchable database of integer sequences, freely available on the Web. ...

## The number of the Beast

Main article: Number of the Beast

In the Bible, the Book of Revelation (13:17-18) cryptically asserts 666 to be "the number of a man", associated with the beast, an antagonistic creature that appears briefly about two-thirds into the apocalyptic vision. The author challenges the reader to figure out the symbolism of this number, a challenge that has inspired mystics and would-be prophets ever since. It is assumed by many biblical scholars to refer to Emperor Nero. The number is arrived at by presenting Nero's name in Greek (Kaisar Neron) and transforming it into Hebrew whose letters also have a numeric value. The Hebrew letters would be q=60, s=100, r=200,n=50,w=6[1]. For other uses, see Number of the Beast (disambiguation). ... Visions of John of Patmos, as depicted in the TrÃ¨s Riches Heures du Duc de Berry. ... Beast. ... Nero Claudius CÃ¦sar Augustus Germanicus (December 15, 37 â€“ June 9, 68), born Lucius Domitius Ahenobarbus, also called Nero Claudius Drusus Germanicus, was the fifth and last Roman Emperor of the Julio-Claudian dynasty (54â€“68). ... Hebrew redirects here. ...

The number of people who have been proposed to be the man whose number is 666 is vast and ever growing; it usually does not demand much ingenuity to find several ways to connect one's political or religious opponent with the number 666, since there is no biblical restriction on how a connection between a man and the number may be established.

In modern popular culture, 666 has become one of the most widely recognized symbols for Satan or the Devil. Earnest references to 666 occur both among apocalypticist Christian groups and in explicitly anti-Christian subcultures such as that surrounding some heavy metal bands; more humorous allusions to the 666 symbolism (e.g., the Lemmings level featuring three 6's built upon "hellish" lava terrain) are mainstream. An appearance of the number 666 in contemporary Western art or literature is more likely than not an intentional reference to this number of the Beast symbolism. Such popular references to 666 are too numerous to list here. This article is about the concept of Satan. ... For the Islamic devil, see Iblis. ... Apocalypticism is a worldview based on the idea that important matters are esoteric in nature (hidden) and they will soon be revealed in a major confrontation of earth-shaking magnitude that will change the course of history. ... Heavy metals, in chemistry, are chemical elements of a particular range of atomic weights. ... Lemmings is a puzzle computer game, developed by DMA Design (now Rockstar North) and published by Psygnosis in 1991, originally for the Commodore Amiga. ...

It is not uncommon to see the symbolic role of the integer 666 transferred to the digit sequence 6-6-6. Some people take the satanic associations of 666 so seriously that they actively avoid things related to 666 or the digits 6-6-6. This is known as hexakosioihexekontahexaphobia. Hexakosioihexekontahexaphobia (literally, fear of the number six-hundred and sixty-six) is the fear that originates in the Biblical verse Revelation 13:18 which indicates that the number 666 is the Number of the Beast, linked to Satan or the Anti-Christ. ...

## In other fields

• In the Bible, 666 is the number of gold talents that King Solomon collected in a single year (see 1 Kings 10:14 and 2 Chronicles 9:13).
• In the Bible, 666 is the number of Adonikam's descendants who return to Jerusalem and Judah from the Babylonian exile (see Ezra 2:13).
• The sum of all the numbers on a roulette wheel is 666.
• The number 666 is a frequent visual element of Aryan Brotherhood tattoos.
• 666 is the port number used by the game Doom when playing against another player via TCP.
• 666 was the original name of the Macintosh SevenDust computer virus that was discovered in 1998.
• 666 was a winning lottery number in the 1980 Pennsylvania Lottery scandal, in which equipment was tampered to favour a 4 or 6 as each of the three individual random digits.

It has been suggested that Sulayman be merged into this article or section. ... Roulette is a casino and gambling game named after the French word meaning small wheel. In the game a croupier spins a wheel in one direction, then spins a ball in the opposite direction around a tilted circular surface running around the circumference of the wheel. ... The Aryan Brotherhood, (also known as the AB or The Brand) is a prison gang numbering about 15,000 members in and out of prison. ... For other uses, see Tattoo (disambiguation). ... IANA is responsible for assigning TCP and UDP port numbers to specific uses. ... Doom (or DOOM)[1] is a 1993 computer game by id Software that is a landmark title in the first-person shooter genre. ... The Transmission Control Protocol (TCP) is one of the core protocols of the Internet protocol suite. ... SevenDust was a rare computer virus in that it infected Macintoshes. ... The 1980 Pennsylvania Lottery scandal, colloquially known as the Triple Six Fix, was a plot to rig the Daily Number, a three digit game the Pennsylvania Lottery offers. ... This article discusses the number Four. ... Look up six in Wiktionary, the free dictionary. ...

## References

1. ^ The Oxford Companion to The Bible, Metzger B, OUP, 1993 ISBN: 9780195046458

Results from FactBites:

 Math Games: Evil Numbers (871 words) The first 59 numbers in the CF of the Bloch constant sum to 666. The first 144 numbers in the CF of the Gauss constant sum to 666. The first 174 numbers in the CF of the Landau Constant sum to 666.
 666 (number) - Wikipedia, the free encyclopedia (1199 words) In base 10, 666 is a palindromic number, a repdigit and a Smith number. 666 is also the value of the kilohertz frequency of the Bodenseesender, a big AM radio station in South Germany, which is receivable at night in all of Europe. It is considered one of the luckiest numbers in Chinese culture.
More results at FactBites »

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