Compare 645 vs 650
| Property | 645 | 650 |
|---|---|---|
| Type | composite number | composite number |
| Unique factors | 3 | 3 |
| Total factors | 3 | 4 |
| Prime factorization | 31 × 51 × 431 | 21 × 52 × 131 |
| Prime factorization | 3 × 5 × 43 | 2 × 5 × 5 × 13 |
| Divisors count | 8 | 12 |
| Divisors | 1, 3, 5, 15, 43, 129, 215, 645 | 1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650 |
| Number of properties | 0 | 0 |
| Roman numberals | DCXLV | DCL |
| Base 2 | 10100001012 | 10100010102 |
| Base 3 | 2122203 | 2200023 |
| Base 4 | 220114 | 220224 |
| Base 5 | 100405 | 101005 |
| Base 6 | 25536 | 30026 |
| Base 7 | 16117 | 16167 |
| Base 8 | 12058 | 12128 |
| Base 9 | 7869 | 8029 |
| Base 10 | 64510 | 65010 |
| Base 11 | 53711 | 54111 |
| Base 12 | 45912 | 46212 |
| Base 13 | 3a813 | 3b013 |
| Base 14 | 34114 | 34614 |
| Base 15 | 2d015 | 2d515 |
| Base 16 | 28516 | 28a16 |