269 (number)
Natural number
From Wikipedia, the free encyclopedia
269 (two hundred [and] sixty-nine) is the natural number between 268 and 270. It is also a prime number.
| ||||
|---|---|---|---|---|
| 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 | |||
In mathematics
269 is a twin prime,[1] and a Ramanujan prime.[2] It is the largest prime factor of 9! + 1 = 362881,[3] and the smallest natural number that cannot be represented as the determinant of a 10 × 10 (0,1)-matrix.[4]
