Compare 551231 vs 551239
| Property | 551231 | 551239 |
|---|---|---|
| Type | prime | semiprime |
| Unique factors | 1 | 2 |
| Total factors | 1 | 2 |
| Prime factorization | 5512311 | 131 × 424031 |
| Prime factorization | 551231 | 13 × 42403 |
| Divisors count | 2 | 4 |
| Divisors | 1, 551231 | 1, 13, 42403, 551239 |
| Number of properties | 5 | 1 |
| Additive primes | 17816th | |
| Chen primes | 17930th | |
| Primes | 45419th | |
| Semiprimes | 118893rd | |
| Sophie germain primes | 4686th | |
| Twin primes (1st member) | 4960th | |
| Roman numberals | ||
| Base 2 | 100001101001001111112 | 100001101001010001112 |
| Base 3 | 10010000102223 | 10010000110213 |
| Base 4 | 20122103334 | 20122110134 |
| Base 5 | 1201144115 | 1201144245 |
| Base 6 | 154515556 | 154520116 |
| Base 7 | 44540427 | 44540537 |
| Base 8 | 20644778 | 20645078 |
| Base 9 | 10301289 | 10301379 |
| Base 10 | 55123110 | 55123910 |
| Base 11 | 34716a11 | 34717711 |
| Base 12 | 226bbb12 | 22700712 |
| Base 13 | 163b9513 | 163ba013 |
| Base 14 | 104c5914 | 104c6314 |
| Base 15 | ad4db15 | ad4e415 |
| Base 16 | 8693f16 | 8694716 |