Compare 306 vs 309
| Property | 306 | 309 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 3 | 2 |
| Total factors | 4 | 2 |
| Prime factorization | 21 × 32 × 171 | 31 × 1031 |
| Prime factorization | 2 × 3 × 3 × 17 | 3 × 103 |
| Divisors count | 12 | 4 |
| Divisors | 1, 2, 3, 6, 9, 17, 18, 34, 51, 102, 153, 306 | 1, 3, 103, 309 |
| Number of properties | 0 | 1 |
| Semiprimes | 99th | |
| Roman numberals | CCCVI | CCCIX |
| Base 2 | 1001100102 | 1001101012 |
| Base 3 | 1021003 | 1021103 |
| Base 4 | 103024 | 103114 |
| Base 5 | 22115 | 22145 |
| Base 6 | 12306 | 12336 |
| Base 7 | 6157 | 6217 |
| Base 8 | 4628 | 4658 |
| Base 9 | 3709 | 3739 |
| Base 10 | 30610 | 30910 |
| Base 11 | 25911 | 26111 |
| Base 12 | 21612 | 21912 |
| Base 13 | 1a713 | 1aa13 |
| Base 14 | 17c14 | 18114 |
| Base 15 | 15615 | 15915 |
| Base 16 | 13216 | 13516 |