251 (number)

← 250 251 252 →
Cardinaltwo hundred fifty-one
Ordinal251st
(two hundred fifty-first)
Factorizationprime
Prime54th
Greek numeralΣΝΑ´
Roman numeralCCLI
Binary111110112
Ternary1000223
Senary10556
Octal3738
Duodecimal18B12
HexadecimalFB16

251 (two hundred [and] fifty-one) is the natural number between 250 and 252. It is also a prime number.