51 (number)

← 50 51 52 →
Cardinalfifty-one
Ordinal51st
(fifty-first)
Factorization3 × 17
Divisors1, 3, 17, 51
Greek numeralΝΑ´
Roman numeralLI
Binary1100112
Ternary12203
Senary1236
Octal638
Duodecimal4312
Hexadecimal3316

51 (fifty-one) is the natural number following 50 and preceding 52.