Compare 634 vs 642
| Property | 634 | 642 |
|---|---|---|
| Type | semiprime | composite number |
| Unique factors | 2 | 3 |
| Total factors | 2 | 3 |
| Prime factorization | 21 × 3171 | 21 × 31 × 1071 |
| Prime factorization | 2 × 317 | 2 × 3 × 107 |
| Divisors count | 4 | 8 |
| Divisors | 1, 2, 317, 634 | 1, 2, 3, 6, 107, 214, 321, 642 |
| Number of properties | 1 | 0 |
| Semiprimes | 194th | |
| Roman numberals | DCXXXIV | DCXLII |
| Base 2 | 10011110102 | 10100000102 |
| Base 3 | 2121113 | 2122103 |
| Base 4 | 213224 | 220024 |
| Base 5 | 100145 | 100325 |
| Base 6 | 25346 | 25506 |
| Base 7 | 15647 | 16057 |
| Base 8 | 11728 | 12028 |
| Base 9 | 7749 | 7839 |
| Base 10 | 63410 | 64210 |
| Base 11 | 52711 | 53411 |
| Base 12 | 44a12 | 45612 |
| Base 13 | 39a13 | 3a513 |
| Base 14 | 33414 | 33c14 |
| Base 15 | 2c415 | 2cc15 |
| Base 16 | 27a16 | 28216 |