Compare 65 vs 69
| Property | 65 | 69 |
|---|---|---|
| Type | semiprime | semiprime |
| Unique factors | 2 | 2 |
| Total factors | 2 | 2 |
| Prime factorization | 51 × 131 | 31 × 231 |
| Prime factorization | 5 × 13 | 3 × 23 |
| Divisors count | 4 | 4 |
| Divisors | 1, 5, 13, 65 | 1, 3, 23, 69 |
| Number of properties | 1 | 1 |
| Semiprimes | 23rd | 24th |
| Roman numberals | LXV | LXIX |
| Base 2 | 10000012 | 10001012 |
| Base 3 | 21023 | 21203 |
| Base 4 | 10014 | 10114 |
| Base 5 | 2305 | 2345 |
| Base 6 | 1456 | 1536 |
| Base 7 | 1227 | 1267 |
| Base 8 | 1018 | 1058 |
| Base 9 | 729 | 769 |
| Base 10 | 6510 | 6910 |
| Base 11 | 5a11 | 6311 |
| Base 12 | 5512 | 5912 |
| Base 13 | 5013 | 5413 |
| Base 14 | 4914 | 4d14 |
| Base 15 | 4515 | 4915 |
| Base 16 | 4116 | 4516 |