Compare 633 vs 645
| Property | 633 | 645 |
|---|---|---|
| Type | semiprime | composite number |
| Unique factors | 2 | 3 |
| Total factors | 2 | 3 |
| Prime factorization | 31 × 2111 | 31 × 51 × 431 |
| Prime factorization | 3 × 211 | 3 × 5 × 43 |
| Divisors count | 4 | 8 |
| Divisors | 1, 3, 211, 633 | 1, 3, 5, 15, 43, 129, 215, 645 |
| Number of properties | 1 | 0 |
| Semiprimes | 193rd | |
| Roman numberals | DCXXXIII | DCXLV |
| Base 2 | 10011110012 | 10100001012 |
| Base 3 | 2121103 | 2122203 |
| Base 4 | 213214 | 220114 |
| Base 5 | 100135 | 100405 |
| Base 6 | 25336 | 25536 |
| Base 7 | 15637 | 16117 |
| Base 8 | 11718 | 12058 |
| Base 9 | 7739 | 7869 |
| Base 10 | 63310 | 64510 |
| Base 11 | 52611 | 53711 |
| Base 12 | 44912 | 45912 |
| Base 13 | 39913 | 3a813 |
| Base 14 | 33314 | 34114 |
| Base 15 | 2c315 | 2d015 |
| Base 16 | 27916 | 28516 |