Compare 64 vs 66
| Property | 64 | 66 |
|---|---|---|
| Type | composite number | composite number |
| Unique factors | 1 | 3 |
| Total factors | 6 | 3 |
| Prime factorization | 26 | 21 × 31 × 111 |
| Prime factorization | 2 × 2 × 2 × 2 × 2 × 2 | 2 × 3 × 11 |
| Divisors count | 7 | 8 |
| Divisors | 1, 2, 4, 8, 16, 32, 64 | 1, 2, 3, 6, 11, 22, 33, 66 |
| Number of properties | 0 | 0 |
| Roman numberals | LXIV | LXVI |
| Base 2 | 10000002 | 10000102 |
| Base 3 | 21013 | 21103 |
| Base 4 | 10004 | 10024 |
| Base 5 | 2245 | 2315 |
| Base 6 | 1446 | 1506 |
| Base 7 | 1217 | 1237 |
| Base 8 | 1008 | 1028 |
| Base 9 | 719 | 739 |
| Base 10 | 6410 | 6610 |
| Base 11 | 5911 | 6011 |
| Base 12 | 5412 | 5612 |
| Base 13 | 4c13 | 5113 |
| Base 14 | 4814 | 4a14 |
| Base 15 | 4415 | 4615 |
| Base 16 | 4016 | 4216 |