666 (number)

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← 665 666 667 →
Cardinalsix hundred sixty-six
Ordinal666th
(six hundred sixty-sixth)
Factorization2 × 32 × 37
Greek numeralΧΞϚ´
Roman numeralDCLXVI
Greek prefixἑξακόσιοι ἑξήκοντα ἕξ
hexakósioi hexēkonta héx
Latin prefixsescenti sexaginta sex
Binary10100110102
Ternary2202003
Senary30306
Octal12328
Duodecimal47612
Hexadecimal29A16
Chinese numeral六百六十六
Devanagari numeral६६६

666 (six hundred [and] sixty-six) is the natural number following 665 and preceding 667.

In Christianity, 666 is called the "number of the beast" in (most manuscripts of) chapter 13 of the Book of Revelation of the New Testament.[1][2][3]

In Mathematics[edit]

666 is the sum of the first 36 natural numbers (, i.e. 1 + 2 + 3 + ... + 34 + 35 + 36 = 666), and thus it is a triangular number. Because 36 is also triangular, 666 is a doubly triangular number. Also, 36 = 15 + 21; 15 and 21 are also triangular numbers, and 152 + 212 = 225 + 441 = 666.

In base 10, 666 is a repdigit (and therefore a palindromic number) and a Smith number. A prime reciprocal magic square based on 1/149 in base 10 has a magic total of 666.

The prime factorization of 666 is 2 ⋅ 32 ⋅ 37. Also, 666 is the sum of the squares of the first seven primes:

The number of integers which are relatively prime to 666 is 6 ⋅ 6 ⋅ 6 and the number of twin primes less than + 666 is 666.[4]

The Roman numeral for 666, DCLXVI, has exactly one occurrence of all symbols whose value is less than 1000 in decreasing order (D = 500, C = 100, L = 50, X = 10, V = 5, I = 1).

In religion[edit]

Number of the beast[edit]

666 is often associated with the devil, who is illustrated here in an engraved interpretation by Gustave Doré.

In the Textus Receptus manuscripts of the New Testament, the Book of Revelation (13:17–18) cryptically asserts 666 to be "the man's number" or "the number of a man" (depending on how the text is translated) associated with the Beast, an antagonistic creature that appears briefly about two-thirds into the apocalyptic vision. Some manuscripts[which?] of the original Koine Greek use the symbols χξϛ chi xi stigma (or χξϝ with a digamma), while other manuscripts spell out the number in words.[5]

In modern popular culture, 666 has become one of the most widely recognized symbols for the Antichrist or, alternatively, the devil. Earnest references to the number occur both among apocalypticist Christian groups and in explicitly anti-Christian subcultures. References in contemporary Western art or literature are, more likely than not, intentional references to the Beast symbolism. Such popular references are therefore too numerous to list.

It is common to see the symbolic role of the integer 666 transferred to the numerical 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.

The Number of the Beast is cited as 616 in some early biblical manuscripts, the earliest known instance being in Papyrus 115.[6][7]

Other occurrences[edit]

In other fields[edit]

A 666 float in a Paris street parade

Humour[edit]

Mathematicians and others have created a meme with the square root of 666, that is 25.8069. The saying goes, "If 666 is evil, then is 25.8069 the root of all evil?" [19]

See also[edit]

References[edit]

  1. ^ Revelation 13
  2. ^ Beale, Gregory K. (1999). The Book of Revelation: A Commentary on the Greek Text. Grand Rapids, Michigan: Wm. B. Eerdmans Publishing. p. 718. ISBN 080282174X. Retrieved 9 July 2012.
  3. ^ "The Numerology of the Beast". people.math.harvard.edu. Retrieved 2021-03-30.
  4. ^ Chris K. Caldwell and G. L. Honaker, Jr.,Curio for 666
  5. ^ "Revelation 13:18". Stephanus New Testament. Bible Gateway. Retrieved 2006-06-22.
  6. ^ Novum Testamentum Graece, Nestle and Aland, 1991, footnote to verse 13:18 of Revelation, page 659: "-σιοι δέκα ἕξ" as found in C [C=Codex Ephraemi Rescriptus]; for English see Metzger's Textual Commentary on the Greek New Testament, note on verse 13:18 of Revelation, page 750: "the numeral 616 was also read ..."
  7. ^ "The Other Number of the Beast". Archived from the original on 2000-03-01.
  8. ^ a b "666 – professors explain Roulette and Nero in detail; numberphile.com". Archived from the original on 2013-03-31. Retrieved 2013-04-06.
  9. ^ Baer, John (1980-09-20). "Six Won $1.2 Million in Rigged Lottery, Pa. Says". Washington Post. ISSN 0190-8286. Retrieved 2021-03-18.
  10. ^ "Detailed Analysis - Mac/Sevendust-A - Viruses and Spyware - Advanced Network Threat Protection | ATP from Targeted Malware Attacks and Persistent Threats | sophos.com - Threat Center". www.sophos.com. Retrieved 2022-01-24.
  11. ^ Brook, John Lee (June 2011). Blood In, Blood Out: The Violent Empire of the Aryan Brotherhood. SCB Distributors. ISBN 978-1-900486-80-4. OCLC 793002272. Retrieved 10 January 2018.
  12. ^ "Aleister Crowley | Biography, Teachings, Reputation, & Facts | Britannica". www.britannica.com. Retrieved 2022-01-24.
  13. ^ Mah, Adeline Yen (2009). China: Land of Dragons and Emperors. ISBN 978-0375890994. Retrieved 2013-12-07.
  14. ^ "Know the Meaning of Numbers in Chinese Culture". au.ibtimes.com. Retrieved 2014-10-30.
  15. ^ "666 – Good day, bad day or just another day?". www.newsgd.com. Retrieved 2014-10-30.
  16. ^ RFC 7999
  17. ^ "What you need to know about 666 Fifth Avenue". www.cbsnews.com. Retrieved 2021-07-29.
  18. ^ "Police Radio Code 666". policecodes.net. Retrieved 2022-10-23.
  19. ^ 25.8069, accessed 2022-05-16

External links[edit]