Compare 251421 vs 251431
| Property | 251421 | 251431 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 3 | 1 |
| Prime factorization | 31 × 431 × 19491 | 2514311 |
| Prime factorization | 3 × 43 × 1949 | 251431 |
| Divisors count | 8 | 2 |
| Divisors | 1, 3, 43, 129, 1949, 5847, 83807, 251421 | 1, 251431 |
| Number of properties | 0 | 5 |
| Cuban primes 1 | 94th | |
| Primes | 22155th | |
| Sexy primes (1st member) | 5174th | |
| Sexy prime triplets (1st member) | 1014th | |
| Twin primes (2nd member) | 2601st | |
| Roman numberals | ||
| Base 2 | 1111010110000111012 | 1111010110001001112 |
| Base 3 | 1102022122203 | 1102022200213 |
| Base 4 | 3311201314 | 3311202134 |
| Base 5 | 310211415 | 310212115 |
| Base 6 | 52155536 | 52200116 |
| Base 7 | 20650027 | 20650157 |
| Base 8 | 7530358 | 7530478 |
| Base 9 | 4227869 | 4228079 |
| Base 10 | 25142110 | 25143110 |
| Base 11 | 16199511 | 1619a411 |
| Base 12 | 1015b912 | 10160712 |
| Base 13 | 8a59113 | 8a59b13 |
| Base 14 | 678a914 | 678b514 |
| Base 15 | 4e76615 | 4e77115 |
| Base 16 | 3d61d16 | 3d62716 |