Compare 642 vs 645
Property | 642 | 645 |
---|---|---|
Type | composite number | composite number |
Unique factors | 3 | 3 |
Total factors | 3 | 3 |
Prime factorization | 21 × 31 × 1071 | 31 × 51 × 431 |
Prime factorization | 2 × 3 × 107 | 3 × 5 × 43 |
Divisors count | 8 | 8 |
Divisors | 1, 2, 3, 6, 107, 214, 321, 642 | 1, 3, 5, 15, 43, 129, 215, 645 |
Number of properties | 0 | 0 |
Roman numberals | DCXLII | DCXLV |
Base 2 | 10100000102 | 10100001012 |
Base 3 | 2122103 | 2122203 |
Base 4 | 220024 | 220114 |
Base 5 | 100325 | 100405 |
Base 6 | 25506 | 25536 |
Base 7 | 16057 | 16117 |
Base 8 | 12028 | 12058 |
Base 9 | 7839 | 7869 |
Base 10 | 64210 | 64510 |
Base 11 | 53411 | 53711 |
Base 12 | 45612 | 45912 |
Base 13 | 3a513 | 3a813 |
Base 14 | 33c14 | 34114 |
Base 15 | 2cc15 | 2d015 |
Base 16 | 28216 | 28516 |