Compare 637 vs 642
| Property | 637 | 642 |
|---|---|---|
| Type | composite number | composite number |
| Unique factors | 2 | 3 |
| Total factors | 3 | 3 |
| Prime factorization | 72 × 131 | 21 × 31 × 1071 |
| Prime factorization | 7 × 7 × 13 | 2 × 3 × 107 |
| Divisors count | 6 | 8 |
| Divisors | 1, 7, 13, 49, 91, 637 | 1, 2, 3, 6, 107, 214, 321, 642 |
| Number of properties | 0 | 0 |
| Roman numberals | DCXXXVII | DCXLII |
| Base 2 | 10011111012 | 10100000102 |
| Base 3 | 2121213 | 2122103 |
| Base 4 | 213314 | 220024 |
| Base 5 | 100225 | 100325 |
| Base 6 | 25416 | 25506 |
| Base 7 | 16007 | 16057 |
| Base 8 | 11758 | 12028 |
| Base 9 | 7779 | 7839 |
| Base 10 | 63710 | 64210 |
| Base 11 | 52a11 | 53411 |
| Base 12 | 45112 | 45612 |
| Base 13 | 3a013 | 3a513 |
| Base 14 | 33714 | 33c14 |
| Base 15 | 2c715 | 2cc15 |
| Base 16 | 27d16 | 28216 |