Compare 648 vs 656
| Property | 648 | 656 |
|---|---|---|
| Type | composite number | composite number |
| Unique factors | 2 | 2 |
| Total factors | 7 | 5 |
| Prime factorization | 23 × 34 | 24 × 411 |
| Prime factorization | 2 × 2 × 2 × 3 × 3 × 3 × 3 | 2 × 2 × 2 × 2 × 41 |
| Divisors count | 20 | 10 |
| Divisors | 1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 162, 216, 324, 648 | 1, 2, 4, 8, 16, 41, 82, 164, 328, 656 |
| Number of properties | 0 | 0 |
| Roman numberals | DCXLVIII | DCLVI |
| Base 2 | 10100010002 | 10100100002 |
| Base 3 | 2200003 | 2200223 |
| Base 4 | 220204 | 221004 |
| Base 5 | 100435 | 101115 |
| Base 6 | 30006 | 30126 |
| Base 7 | 16147 | 16257 |
| Base 8 | 12108 | 12208 |
| Base 9 | 8009 | 8089 |
| Base 10 | 64810 | 65610 |
| Base 11 | 53a11 | 54711 |
| Base 12 | 46012 | 46812 |
| Base 13 | 3ab13 | 3b613 |
| Base 14 | 34414 | 34c14 |
| Base 15 | 2d315 | 2db15 |
| Base 16 | 28816 | 29016 |