Compare 256121 vs 256127
| Property | 256121 | 256127 |
|---|---|---|
| Type | prime | semiprime |
| Unique factors | 1 | 2 |
| Total factors | 1 | 2 |
| Prime factorization | 2561211 | 411 × 62471 |
| Prime factorization | 256121 | 41 × 6247 |
| Divisors count | 2 | 4 |
| Divisors | 1, 256121 | 1, 41, 6247, 256127 |
| Number of properties | 5 | 1 |
| Additive primes | 9113th | |
| Cousin primes (2nd member) | 2633rd | |
| Harmonic primes | 8397th | |
| Isolated primes | 17268th | |
| Primes | 22535th | |
| Semiprimes | 57231st | |
| Roman numberals | ||
| Base 2 | 1111101000011110012 | 1111101000011111112 |
| Base 3 | 1110000222223 | 1110001000123 |
| Base 4 | 3322013214 | 3322013334 |
| Base 5 | 311434415 | 311440025 |
| Base 6 | 52534256 | 52534356 |
| Base 7 | 21144657 | 21145047 |
| Base 8 | 7641718 | 7641778 |
| Base 9 | 4302889 | 4303059 |
| Base 10 | 25612110 | 25612710 |
| Base 11 | 16547811 | 16548311 |
| Base 12 | 10427512 | 10427b12 |
| Base 13 | 8c76813 | 8c77113 |
| Base 14 | 694a514 | 694ab14 |
| Base 15 | 50d4b15 | 50d5215 |
| Base 16 | 3e87916 | 3e87f16 |