Compare 648 vs 657
| Property | 648 | 657 |
|---|---|---|
| Type | composite number | composite number |
| Unique factors | 2 | 2 |
| Total factors | 7 | 3 |
| Prime factorization | 23 × 34 | 32 × 731 |
| Prime factorization | 2 × 2 × 2 × 3 × 3 × 3 × 3 | 3 × 3 × 73 |
| Divisors count | 20 | 6 |
| Divisors | 1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 162, 216, 324, 648 | 1, 3, 9, 73, 219, 657 |
| Number of properties | 0 | 0 |
| Roman numberals | DCXLVIII | DCLVII |
| Base 2 | 10100010002 | 10100100012 |
| Base 3 | 2200003 | 2201003 |
| Base 4 | 220204 | 221014 |
| Base 5 | 100435 | 101125 |
| Base 6 | 30006 | 30136 |
| Base 7 | 16147 | 16267 |
| Base 8 | 12108 | 12218 |
| Base 9 | 8009 | 8109 |
| Base 10 | 64810 | 65710 |
| Base 11 | 53a11 | 54811 |
| Base 12 | 46012 | 46912 |
| Base 13 | 3ab13 | 3b713 |
| Base 14 | 34414 | 34d14 |
| Base 15 | 2d315 | 2dc15 |
| Base 16 | 28816 | 29116 |