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|---|---|---|---|---|
| Cardinal | two hundred sixty-nine | |||
| Ordinal | 269th (two hundred sixty-ninth) | |||
| Factorization | prime | |||
| Prime | yes | |||
| Greek numeral | ΣΞΘ´ | |||
| Roman numeral | CCLXIX,cclxix | |||
| Binary | 1000011012 | |||
| Ternary | 1002223 | |||
| Senary | 11256 | |||
| Octal | 4158 | |||
| Duodecimal | 1A512 | |||
| Hexadecimal | 10D16 | |||
269 (two hundred [and] sixty-nine) is the natural number between268 and270. It is also aprime number.
269 is atwin prime,[1]and aRamanujan prime.[2]It is the largest prime factor of 9! + 1 = 362881,[3]and the smallest natural number that cannot be represented as thedeterminant of a 10 × 10(0,1)-matrix.[4]
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