Compare 671 vs 689
| Property | 671 | 689 |
|---|---|---|
| Type | semiprime | semiprime |
| Unique factors | 2 | 2 |
| Total factors | 2 | 2 |
| Prime factorization | 111 × 611 | 131 × 531 |
| Prime factorization | 11 × 61 | 13 × 53 |
| Divisors count | 4 | 4 |
| Divisors | 1, 11, 61, 671 | 1, 13, 53, 689 |
| Number of properties | 1 | 1 |
| Semiprimes | 201st | 207th |
| Roman numberals | DCLXXI | DCLXXXIX |
| Base 2 | 10100111112 | 10101100012 |
| Base 3 | 2202123 | 2211123 |
| Base 4 | 221334 | 223014 |
| Base 5 | 101415 | 102245 |
| Base 6 | 30356 | 31056 |
| Base 7 | 16467 | 20037 |
| Base 8 | 12378 | 12618 |
| Base 9 | 8259 | 8459 |
| Base 10 | 67110 | 68910 |
| Base 11 | 56011 | 57711 |
| Base 12 | 47b12 | 49512 |
| Base 13 | 3c813 | 41013 |
| Base 14 | 35d14 | 37314 |
| Base 15 | 2eb15 | 30e15 |
| Base 16 | 29f16 | 2b116 |