231 (number)

From Wikipedia, the free encyclopedia
Jump to: navigation, search
230 231 232
Cardinal two hundred and thirty-one
Ordinal 231st
(two hundred and thirty-first)
Factorization 3 · 7 · 11
Roman numeral CCXXXI
Binary 111001112
Ternary 221203
Quaternary 32134
Quinary 14115
Senary 10236
Octal 3478
Duodecimal 17312
Hexadecimal E716
Vigesimal BB20
Base 36 6F36

231 (two hundred [and] thirty-one) is the natural number following 230 and preceding 232.

In mathematics[edit]

Two hundred [and] thirty-one 231 = 3·7·11, sphenic number, triangular number, hexagonal number, octahedral number, the number of integer partitions of 16, Mertens function returns 0, and is the number of cubic inches in a U.S. liquid gallon.

In chemistry[edit]

In other fields[edit]

231 is: