Compare 634 vs 687
| Property | 634 | 687 |
|---|---|---|
| Type | semiprime | semiprime |
| Unique factors | 2 | 2 |
| Total factors | 2 | 2 |
| Prime factorization | 21 × 3171 | 31 × 2291 |
| Prime factorization | 2 × 317 | 3 × 229 |
| Divisors count | 4 | 4 |
| Divisors | 1, 2, 317, 634 | 1, 3, 229, 687 |
| Number of properties | 1 | 1 |
| Semiprimes | 194th | 206th |
| Roman numberals | DCXXXIV | DCLXXXVII |
| Base 2 | 10011110102 | 10101011112 |
| Base 3 | 2121113 | 2211103 |
| Base 4 | 213224 | 222334 |
| Base 5 | 100145 | 102225 |
| Base 6 | 25346 | 31036 |
| Base 7 | 15647 | 20017 |
| Base 8 | 11728 | 12578 |
| Base 9 | 7749 | 8439 |
| Base 10 | 63410 | 68710 |
| Base 11 | 52711 | 57511 |
| Base 12 | 44a12 | 49312 |
| Base 13 | 39a13 | 40b13 |
| Base 14 | 33414 | 37114 |
| Base 15 | 2c415 | 30c15 |
| Base 16 | 27a16 | 2af16 |