Compare 689 vs 697
| Property | 689 | 697 |
|---|---|---|
| Type | semiprime | semiprime |
| Unique factors | 2 | 2 |
| Total factors | 2 | 2 |
| Prime factorization | 131 × 531 | 171 × 411 |
| Prime factorization | 13 × 53 | 17 × 41 |
| Divisors count | 4 | 4 |
| Divisors | 1, 13, 53, 689 | 1, 17, 41, 697 |
| Number of properties | 1 | 1 |
| Semiprimes | 207th | 210th |
| Roman numberals | DCLXXXIX | DCXCVII |
| Base 2 | 10101100012 | 10101110012 |
| Base 3 | 2211123 | 2212113 |
| Base 4 | 223014 | 223214 |
| Base 5 | 102245 | 102425 |
| Base 6 | 31056 | 31216 |
| Base 7 | 20037 | 20147 |
| Base 8 | 12618 | 12718 |
| Base 9 | 8459 | 8549 |
| Base 10 | 68910 | 69710 |
| Base 11 | 57711 | 58411 |
| Base 12 | 49512 | 4a112 |
| Base 13 | 41013 | 41813 |
| Base 14 | 37314 | 37b14 |
| Base 15 | 30e15 | 31715 |
| Base 16 | 2b116 | 2b916 |