Compare 628 vs 639
| Property | 628 | 639 |
|---|---|---|
| Type | composite number | composite number |
| Unique factors | 2 | 2 |
| Total factors | 3 | 3 |
| Prime factorization | 22 × 1571 | 32 × 711 |
| Prime factorization | 2 × 2 × 157 | 3 × 3 × 71 |
| Divisors count | 6 | 6 |
| Divisors | 1, 2, 4, 157, 314, 628 | 1, 3, 9, 71, 213, 639 |
| Number of properties | 0 | 0 |
| Roman numberals | DCXXVIII | DCXXXIX |
| Base 2 | 10011101002 | 10011111112 |
| Base 3 | 2120213 | 2122003 |
| Base 4 | 213104 | 213334 |
| Base 5 | 100035 | 100245 |
| Base 6 | 25246 | 25436 |
| Base 7 | 15557 | 16027 |
| Base 8 | 11648 | 11778 |
| Base 9 | 7679 | 7809 |
| Base 10 | 62810 | 63910 |
| Base 11 | 52111 | 53111 |
| Base 12 | 44412 | 45312 |
| Base 13 | 39413 | 3a213 |
| Base 14 | 32c14 | 33914 |
| Base 15 | 2bd15 | 2c915 |
| Base 16 | 27416 | 27f16 |