Compare 126 vs 128
| Property | 126 | 128 |
|---|---|---|
| Type | composite number | composite number |
| Unique factors | 3 | 1 |
| Total factors | 4 | 7 |
| Prime factorization | 21 × 32 × 71 | 27 |
| Prime factorization | 2 × 3 × 3 × 7 | 2 × 2 × 2 × 2 × 2 × 2 × 2 |
| Divisors count | 12 | 8 |
| Divisors | 1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126 | 1, 2, 4, 8, 16, 32, 64, 128 |
| Number of properties | 0 | 0 |
| Roman numberals | CXXVI | CXXVIII |
| Base 2 | 11111102 | 100000002 |
| Base 3 | 112003 | 112023 |
| Base 4 | 13324 | 20004 |
| Base 5 | 10015 | 10035 |
| Base 6 | 3306 | 3326 |
| Base 7 | 2407 | 2427 |
| Base 8 | 1768 | 2008 |
| Base 9 | 1509 | 1529 |
| Base 10 | 12610 | 12810 |
| Base 11 | 10511 | 10711 |
| Base 12 | a612 | a812 |
| Base 13 | 9913 | 9b13 |
| Base 14 | 9014 | 9214 |
| Base 15 | 8615 | 8815 |
| Base 16 | 7e16 | 8016 |