*** Welcome to piglix ***

238 (number)

← 237 238 239 →
Cardinal two hundred thirty-eight
Ordinal 238th
(two hundred thirty-eighth)
Factorization 2 × 7 × 17
Prime no
Roman numeral CCXXXVIII
Binary 111011102
Ternary 222113
Quaternary 32324
Quinary 14235
Senary 10346
Octal 3568
Duodecimal 17A12
Hexadecimal EE16
Vigesimal BI20
Base 36 6M36

238 (two hundred [and] thirty-eight) is the natural number following 237 and preceding 239.

238 is an untouchable number. There are 238 2-vertex-connected graphs on five labeled vertices, and 238 order-5 polydiamonds (polyiamonds that can partitioned into 5 diamonds). Among the 720 permutations of six elements, exactly 238 of them have a unique longest increasing subsequence.


...
Wikipedia

...