Compare 309131 vs 309139
| Property | 309131 | 309139 |
|---|---|---|
| Type | prime | semiprime |
| Unique factors | 1 | 2 |
| Total factors | 1 | 2 |
| Prime factorization | 3091311 | 971 × 31871 |
| Prime factorization | 309131 | 97 × 3187 |
| Divisors count | 2 | 4 |
| Divisors | 1, 309131 | 1, 97, 3187, 309139 |
| Number of properties | 4 | 1 |
| Additive primes | 10633rd | |
| Isolated primes | 20585th | |
| Primes | 26734th | |
| Semiprimes | 68533rd | |
| Sexy primes (1st member) | 6157th | |
| Roman numberals | ||
| Base 2 | 10010110111100010112 | 10010110111100100112 |
| Base 3 | 1202010010223 | 1202010011213 |
| Base 4 | 10231320234 | 10231321034 |
| Base 5 | 343430115 | 343430245 |
| Base 6 | 103430556 | 103431116 |
| Base 7 | 24251547 | 24251657 |
| Base 8 | 11336138 | 11336238 |
| Base 9 | 5210389 | 5210479 |
| Base 10 | 30913110 | 30913910 |
| Base 11 | 1a128911 | 1a129611 |
| Base 12 | 12aa8b12 | 12aa9712 |
| Base 13 | aa92413 | aa92c13 |
| Base 14 | 8092b14 | 8093514 |
| Base 15 | 618db15 | 618e415 |
| Base 16 | 4b78b16 | 4b79316 |