Compare 256391 vs 256401
| Property | 256391 | 256401 |
|---|---|---|
| Type | prime | composite number |
| Unique factors | 1 | 3 |
| Total factors | 1 | 4 |
| Prime factorization | 2563911 | 32 × 311 × 9191 |
| Prime factorization | 256391 | 3 × 3 × 31 × 919 |
| Divisors count | 2 | 12 |
| Divisors | 1, 256391 | 1, 3, 9, 31, 93, 279, 919, 2757, 8271, 28489, 85467, 256401 |
| Number of properties | 4 | 0 |
| Chen primes | 9323rd | |
| Harmonic primes | 8403rd | |
| Primes | 22555th | |
| Twin primes (1st member) | 2636th | |
| Roman numberals | ||
| Base 2 | 1111101001100001112 | 1111101001100100012 |
| Base 3 | 1110002002223 | 1110002011003 |
| Base 4 | 3322120134 | 3322121014 |
| Base 5 | 312010315 | 312011015 |
| Base 6 | 52545556 | 52550136 |
| Base 7 | 21153327 | 21153457 |
| Base 8 | 7646078 | 7646218 |
| Base 9 | 4306289 | 4306409 |
| Base 10 | 25639110 | 25640110 |
| Base 11 | 1656a311 | 16570211 |
| Base 12 | 10445b12 | 10446912 |
| Base 13 | 8c91513 | 8c92213 |
| Base 14 | 6961914 | 6962514 |
| Base 15 | 50e7b15 | 50e8615 |
| Base 16 | 3e98716 | 3e99116 |