Compare 670 vs 671
| Property | 670 | 671 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 3 | 2 |
| Total factors | 3 | 2 |
| Prime factorization | 21 × 51 × 671 | 111 × 611 |
| Prime factorization | 2 × 5 × 67 | 11 × 61 |
| Divisors count | 8 | 4 |
| Divisors | 1, 2, 5, 10, 67, 134, 335, 670 | 1, 11, 61, 671 |
| Number of properties | 0 | 1 |
| Semiprimes | 201st | |
| Roman numberals | DCLXX | DCLXXI |
| Base 2 | 10100111102 | 10100111112 |
| Base 3 | 2202113 | 2202123 |
| Base 4 | 221324 | 221334 |
| Base 5 | 101405 | 101415 |
| Base 6 | 30346 | 30356 |
| Base 7 | 16457 | 16467 |
| Base 8 | 12368 | 12378 |
| Base 9 | 8249 | 8259 |
| Base 10 | 67010 | 67110 |
| Base 11 | 55a11 | 56011 |
| Base 12 | 47a12 | 47b12 |
| Base 13 | 3c713 | 3c813 |
| Base 14 | 35c14 | 35d14 |
| Base 15 | 2ea15 | 2eb15 |
| Base 16 | 29e16 | 29f16 |