238 (two hundred [and] thirty-eight) is thenatural number following237 and preceding239.
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|---|---|---|---|---|
| Cardinal | two hundred thirty-eight | |||
| Ordinal | 238th (two hundred thirty-eighth) | |||
| Factorization | 2 × 7 × 17 | |||
| Prime | no | |||
| Greek numeral | ΣΛΗ´ | |||
| Roman numeral | CCXXXVIII,ccxxxviii | |||
| Binary | 111011102 | |||
| Ternary | 222113 | |||
| Senary | 10346 | |||
| Octal | 3568 | |||
| Duodecimal | 17A12 | |||
| Hexadecimal | EE16 | |||
238 is anuntouchable number.[1]There are 2382-vertex-connected graphs on five labeled vertices,[2] and 238 order-5 polydiamonds (polyiamonds that can partitioned into 5 diamonds).[3] Out of the 720 permutations of six elements, exactly 238 of them have a uniquelongest increasing subsequence.[4]
There are 238compact and paracompacthyperbolic groups ofranks 3 through 10.[5]
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