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Cardinal | six hundred sixty-six | |||
Ordinal | 666th (six hundred sixty-sixth) | |||
Factorization | 2 × 32 × 37 | |||
Divisors | 1, 2, 3, 6, 9, 18, 37, 74, 111, 222, 333, 666 | |||
Greek numeral | ΧΞϚ´ | |||
Roman numeral | DCLXVI | |||
Greek prefix | ἑξακόσιοι ἑξήκοντα ἕξ hexakósioi hexēkonta héx | |||
Latin prefix | sescenti sexaginta sex | |||
Binary | 10100110102 | |||
Ternary | 2202003 | |||
Senary | 30306 | |||
Octal | 12328 | |||
Duodecimal | 47612 | |||
Hexadecimal | 29A16 | |||
Chinese numeral | 六百六十六 | |||
Devanagari numeral | ६६६ |
666 (six hundred [and] sixty-six) is the natural number following 665 and preceding 667.
In Christianity, 666 is referred to in most manuscripts of chapter 13 of the Book of Revelation of the New Testament as the "number of the beast."[1][2][3]