Compare 309 vs 318
| Property | 309 | 318 |
|---|---|---|
| Type | semiprime | composite number |
| Unique factors | 2 | 3 |
| Total factors | 2 | 3 |
| Prime factorization | 31 × 1031 | 21 × 31 × 531 |
| Prime factorization | 3 × 103 | 2 × 3 × 53 |
| Divisors count | 4 | 8 |
| Divisors | 1, 3, 103, 309 | 1, 2, 3, 6, 53, 106, 159, 318 |
| Number of properties | 1 | 0 |
| Semiprimes | 99th | |
| Roman numberals | CCCIX | CCCXVIII |
| Base 2 | 1001101012 | 1001111102 |
| Base 3 | 1021103 | 1022103 |
| Base 4 | 103114 | 103324 |
| Base 5 | 22145 | 22335 |
| Base 6 | 12336 | 12506 |
| Base 7 | 6217 | 6337 |
| Base 8 | 4658 | 4768 |
| Base 9 | 3739 | 3839 |
| Base 10 | 30910 | 31810 |
| Base 11 | 26111 | 26a11 |
| Base 12 | 21912 | 22612 |
| Base 13 | 1aa13 | 1b613 |
| Base 14 | 18114 | 18a14 |
| Base 15 | 15915 | 16315 |
| Base 16 | 13516 | 13e16 |