Compare 309 vs 315
| Property | 309 | 315 |
|---|---|---|
| Type | semiprime | composite number |
| Unique factors | 2 | 3 |
| Total factors | 2 | 4 |
| Prime factorization | 31 × 1031 | 32 × 51 × 71 |
| Prime factorization | 3 × 103 | 3 × 3 × 5 × 7 |
| Divisors count | 4 | 12 |
| Divisors | 1, 3, 103, 309 | 1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315 |
| Number of properties | 1 | 0 |
| Semiprimes | 99th | |
| Roman numberals | CCCIX | CCCXV |
| Base 2 | 1001101012 | 1001110112 |
| Base 3 | 1021103 | 1022003 |
| Base 4 | 103114 | 103234 |
| Base 5 | 22145 | 22305 |
| Base 6 | 12336 | 12436 |
| Base 7 | 6217 | 6307 |
| Base 8 | 4658 | 4738 |
| Base 9 | 3739 | 3809 |
| Base 10 | 30910 | 31510 |
| Base 11 | 26111 | 26711 |
| Base 12 | 21912 | 22312 |
| Base 13 | 1aa13 | 1b313 |
| Base 14 | 18114 | 18714 |
| Base 15 | 15915 | 16015 |
| Base 16 | 13516 | 13b16 |