Compare 628 vs 638
| Property | 628 | 638 |
|---|---|---|
| Type | composite number | composite number |
| Unique factors | 2 | 3 |
| Total factors | 3 | 3 |
| Prime factorization | 22 × 1571 | 21 × 111 × 291 |
| Prime factorization | 2 × 2 × 157 | 2 × 11 × 29 |
| Divisors count | 6 | 8 |
| Divisors | 1, 2, 4, 157, 314, 628 | 1, 2, 11, 22, 29, 58, 319, 638 |
| Number of properties | 0 | 0 |
| Roman numberals | DCXXVIII | DCXXXVIII |
| Base 2 | 10011101002 | 10011111102 |
| Base 3 | 2120213 | 2121223 |
| Base 4 | 213104 | 213324 |
| Base 5 | 100035 | 100235 |
| Base 6 | 25246 | 25426 |
| Base 7 | 15557 | 16017 |
| Base 8 | 11648 | 11768 |
| Base 9 | 7679 | 7789 |
| Base 10 | 62810 | 63810 |
| Base 11 | 52111 | 53011 |
| Base 12 | 44412 | 45212 |
| Base 13 | 39413 | 3a113 |
| Base 14 | 32c14 | 33814 |
| Base 15 | 2bd15 | 2c815 |
| Base 16 | 27416 | 27e16 |