Compare 253909 vs 253920
| Property | 253909 | 253920 |
|---|---|---|
| Type | prime | composite number |
| Unique factors | 1 | 4 |
| Total factors | 1 | 9 |
| Prime factorization | 2539091 | 25 × 31 × 51 × 232 |
| Prime factorization | 253909 | 2 × 2 × 2 × 2 × 2 × 3 × 5 × 23 × 23 |
| Divisors count | 2 | 72 |
| Divisors | 1, 253909 | 1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 32, 40, 46, 48, 60, 69, 80, 92, 96, 115, 120, 138, 160, 184, 230, 240, 276, 345, 368, 460, 480, 529, 552, 690, 736, 920, 1058, 1104, 1380, 1587, 1840, 2116, 2208, 2645, 2760, 3174, 3680, 4232, 5290, 5520, 6348, 7935, 8464, 10580, 11040, 12696, 15870, 16928, 21160, 25392, 31740, 42320, 50784, 63480, 84640, 126960, 253920 |
| Number of properties | 4 | 0 |
| Long primes | 8372nd | |
| Primes | 22354th | |
| Twin primes (2nd member) | 2616th | |
| Ulam primes | 1603rd | |
| Roman numberals | ||
| Base 2 | 1111011111110101012 | 1111011111111000002 |
| Base 3 | 1102200220013 | 1102200221103 |
| Base 4 | 3313331114 | 3313332004 |
| Base 5 | 311111145 | 311111405 |
| Base 6 | 52353016 | 52353206 |
| Base 7 | 21051557 | 21052027 |
| Base 8 | 7577258 | 7577408 |
| Base 9 | 4262619 | 4262739 |
| Base 10 | 25390910 | 25392010 |
| Base 11 | 16384711 | 16385711 |
| Base 12 | 102b3112 | 102b4012 |
| Base 13 | 8b75613 | 8b76413 |
| Base 14 | 6876514 | 6877214 |
| Base 15 | 5037415 | 5038015 |
| Base 16 | 3dfd516 | 3dfe016 |