Compare 630 vs 639
| Property | 630 | 639 |
|---|---|---|
| Type | composite number | composite number |
| Unique factors | 4 | 2 |
| Total factors | 5 | 3 |
| Prime factorization | 21 × 32 × 51 × 71 | 32 × 711 |
| Prime factorization | 2 × 3 × 3 × 5 × 7 | 3 × 3 × 71 |
| Divisors count | 24 | 6 |
| Divisors | 1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 315, 630 | 1, 3, 9, 71, 213, 639 |
| Number of properties | 0 | 0 |
| Roman numberals | DCXXX | DCXXXIX |
| Base 2 | 10011101102 | 10011111112 |
| Base 3 | 2121003 | 2122003 |
| Base 4 | 213124 | 213334 |
| Base 5 | 100105 | 100245 |
| Base 6 | 25306 | 25436 |
| Base 7 | 15607 | 16027 |
| Base 8 | 11668 | 11778 |
| Base 9 | 7709 | 7809 |
| Base 10 | 63010 | 63910 |
| Base 11 | 52311 | 53111 |
| Base 12 | 44612 | 45312 |
| Base 13 | 39613 | 3a213 |
| Base 14 | 33014 | 33914 |
| Base 15 | 2c015 | 2c915 |
| Base 16 | 27616 | 27f16 |