Compare 669 vs 670
| Property | 669 | 670 |
|---|---|---|
| Type | semiprime | composite number |
| Unique factors | 2 | 3 |
| Total factors | 2 | 3 |
| Prime factorization | 31 × 2231 | 21 × 51 × 671 |
| Prime factorization | 3 × 223 | 2 × 5 × 67 |
| Divisors count | 4 | 8 |
| Divisors | 1, 3, 223, 669 | 1, 2, 5, 10, 67, 134, 335, 670 |
| Number of properties | 1 | 0 |
| Semiprimes | 200th | |
| Roman numberals | DCLXIX | DCLXX |
| Base 2 | 10100111012 | 10100111102 |
| Base 3 | 2202103 | 2202113 |
| Base 4 | 221314 | 221324 |
| Base 5 | 101345 | 101405 |
| Base 6 | 30336 | 30346 |
| Base 7 | 16447 | 16457 |
| Base 8 | 12358 | 12368 |
| Base 9 | 8239 | 8249 |
| Base 10 | 66910 | 67010 |
| Base 11 | 55911 | 55a11 |
| Base 12 | 47912 | 47a12 |
| Base 13 | 3c613 | 3c713 |
| Base 14 | 35b14 | 35c14 |
| Base 15 | 2e915 | 2ea15 |
| Base 16 | 29d16 | 29e16 |