Compare 309131 vs 309142
| Property | 309131 | 309142 |
|---|---|---|
| Type | prime | semiprime |
| Unique factors | 1 | 2 |
| Total factors | 1 | 2 |
| Prime factorization | 3091311 | 21 × 1545711 |
| Prime factorization | 309131 | 2 × 154571 |
| Divisors count | 2 | 4 |
| Divisors | 1, 309131 | 1, 2, 154571, 309142 |
| Number of properties | 4 | 1 |
| Additive primes | 10633rd | |
| Isolated primes | 20585th | |
| Primes | 26734th | |
| Semiprimes | 68534th | |
| Sexy primes (1st member) | 6157th | |
| Roman numberals | ||
| Base 2 | 10010110111100010112 | 10010110111100101102 |
| Base 3 | 1202010010223 | 1202010012013 |
| Base 4 | 10231320234 | 10231321124 |
| Base 5 | 343430115 | 343430325 |
| Base 6 | 103430556 | 103431146 |
| Base 7 | 24251547 | 24252017 |
| Base 8 | 11336138 | 11336268 |
| Base 9 | 5210389 | 5210519 |
| Base 10 | 30913110 | 30914210 |
| Base 11 | 1a128911 | 1a129911 |
| Base 12 | 12aa8b12 | 12aa9a12 |
| Base 13 | aa92413 | aa93213 |
| Base 14 | 8092b14 | 8093814 |
| Base 15 | 618db15 | 618e715 |
| Base 16 | 4b78b16 | 4b79616 |