Compare 634 vs 644
| Property | 634 | 644 |
|---|---|---|
| Type | semiprime | composite number |
| Unique factors | 2 | 3 |
| Total factors | 2 | 4 |
| Prime factorization | 21 × 3171 | 22 × 71 × 231 |
| Prime factorization | 2 × 317 | 2 × 2 × 7 × 23 |
| Divisors count | 4 | 12 |
| Divisors | 1, 2, 317, 634 | 1, 2, 4, 7, 14, 23, 28, 46, 92, 161, 322, 644 |
| Number of properties | 1 | 0 |
| Semiprimes | 194th | |
| Roman numberals | DCXXXIV | DCXLIV |
| Base 2 | 10011110102 | 10100001002 |
| Base 3 | 2121113 | 2122123 |
| Base 4 | 213224 | 220104 |
| Base 5 | 100145 | 100345 |
| Base 6 | 25346 | 25526 |
| Base 7 | 15647 | 16107 |
| Base 8 | 11728 | 12048 |
| Base 9 | 7749 | 7859 |
| Base 10 | 63410 | 64410 |
| Base 11 | 52711 | 53611 |
| Base 12 | 44a12 | 45812 |
| Base 13 | 39a13 | 3a713 |
| Base 14 | 33414 | 34014 |
| Base 15 | 2c415 | 2ce15 |
| Base 16 | 27a16 | 28416 |