51 (number)

This article is about the number 51. For the year, see 51.

51 (fifty-one) is a number. It comes between fifty and fifty-two, and is an odd number. It is divisible by 1, 3, 17, and 51.

← 50 51 52 →
← 50 51 52 53 54 55 56 57 58 59 → ← 0 10 20 30 40 50 60 70 80 90 →
Cardinal	fifty-one
Ordinal	51st (fifty-first)
Factorization	3 · 17
Divisors	1, 3, 17, 51
Roman numeral	LI
Binary	1100112
Ternary	12203
Quaternary	3034
Quinary	2015
Senary	1236
Octal	638
Duodecimal	4312
Hexadecimal	3316
Vigesimal	2B20
Base 36	1F36