66 (number)

66 (sixty-six) is the natural number following 65 and preceding 67.

← 65 66 67 →
Cardinalsixty-six
Ordinal66th
(sixty-sixth)
Factorization2 × 3 × 11
Divisors1, 2, 3, 6, 11, 22, 33, 66
Greek numeralΞϚ´
Roman numeralLXVI
Binary10000102
Ternary21103
Senary1506
Octal1028
Duodecimal5612
Hexadecimal4216

Usages of this number include:

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