Compare 51231 vs 51239
| Property | 51231 | 51239 |
|---|---|---|
| Type | semiprime | prime |
| Unique factors | 2 | 1 |
| Total factors | 2 | 1 |
| Prime factorization | 31 × 170771 | 512391 |
| Prime factorization | 3 × 17077 | 51239 |
| Divisors count | 4 | 2 |
| Divisors | 1, 3, 17077, 51231 | 1, 51239 |
| Number of properties | 1 | 3 |
| Chen primes | 2442nd | |
| Primes | 5243rd | |
| Semiprimes | 12396th | |
| Twin primes (1st member) | 718th | |
| Roman numberals | ||
| Base 2 | 11001000000111112 | 11001000001001112 |
| Base 3 | 21210211103 | 21210212023 |
| Base 4 | 302001334 | 302002134 |
| Base 5 | 31144115 | 31144245 |
| Base 6 | 10331036 | 10331156 |
| Base 7 | 3022357 | 3022467 |
| Base 8 | 1440378 | 1440478 |
| Base 9 | 772439 | 772529 |
| Base 10 | 5123110 | 5123910 |
| Base 11 | 3554411 | 3555111 |
| Base 12 | 2579312 | 2579b12 |
| Base 13 | 1a41b13 | 1a42613 |
| Base 14 | 1495514 | 1495d14 |
| Base 15 | 102a615 | 102ae15 |
| Base 16 | c81f16 | c82716 |