238 (number)
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|---|---|---|---|---|
| Cardinal | two hundred thirty-eight | |||
| Ordinal | 238th (two hundred thirty-eighth) |
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| 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.
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