Compare 51239 vs 51247
| Property | 51239 | 51247 |
|---|---|---|
| Type | prime | semiprime |
| Unique factors | 1 | 2 |
| Total factors | 1 | 2 |
| Prime factorization | 512391 | 71 × 73211 |
| Prime factorization | 51239 | 7 × 7321 |
| Divisors count | 2 | 4 |
| Divisors | 1, 51239 | 1, 7, 7321, 51247 |
| Number of properties | 3 | 1 |
| Chen primes | 2442nd | |
| Primes | 5243rd | |
| Semiprimes | 12399th | |
| Twin primes (1st member) | 718th | |
| Roman numberals | ||
| Base 2 | 11001000001001112 | 11001000001011112 |
| Base 3 | 21210212023 | 21210220013 |
| Base 4 | 302002134 | 302002334 |
| Base 5 | 31144245 | 31144425 |
| Base 6 | 10331156 | 10331316 |
| Base 7 | 3022467 | 3022607 |
| Base 8 | 1440478 | 1440578 |
| Base 9 | 772529 | 772619 |
| Base 10 | 5123910 | 5124710 |
| Base 11 | 3555111 | 3555911 |
| Base 12 | 2579b12 | 257a712 |
| Base 13 | 1a42613 | 1a43113 |
| Base 14 | 1495d14 | 1496714 |
| Base 15 | 102ae15 | 102b715 |
| Base 16 | c82716 | c82f16 |