Compare 1666 vs 1670
| Property | 1666 | 1670 |
|---|---|---|
| Type | composite number | composite number |
| Unique factors | 3 | 3 |
| Total factors | 4 | 3 |
| Prime factorization | 21 × 72 × 171 | 21 × 51 × 1671 |
| Prime factorization | 2 × 7 × 7 × 17 | 2 × 5 × 167 |
| Divisors count | 12 | 8 |
| Divisors | 1, 2, 7, 14, 17, 34, 49, 98, 119, 238, 833, 1666 | 1, 2, 5, 10, 167, 334, 835, 1670 |
| Number of properties | 0 | 0 |
| Roman numberals | MDCLXVI | MDCLXX |
| Base 2 | 110100000102 | 110100001102 |
| Base 3 | 20212013 | 20212123 |
| Base 4 | 1220024 | 1220124 |
| Base 5 | 231315 | 231405 |
| Base 6 | 114146 | 114226 |
| Base 7 | 46007 | 46047 |
| Base 8 | 32028 | 32068 |
| Base 9 | 22519 | 22559 |
| Base 10 | 166610 | 167010 |
| Base 11 | 128511 | 128911 |
| Base 12 | b6a12 | b7212 |
| Base 13 | 9b213 | 9b613 |
| Base 14 | 87014 | 87414 |
| Base 15 | 76115 | 76515 |
| Base 16 | 68216 | 68616 |