Compare 126 vs 129
| Property | 126 | 129 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 3 | 2 |
| Total factors | 4 | 2 |
| Prime factorization | 21 × 32 × 71 | 31 × 431 |
| Prime factorization | 2 × 3 × 3 × 7 | 3 × 43 |
| Divisors count | 12 | 4 |
| Divisors | 1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126 | 1, 3, 43, 129 |
| Number of properties | 0 | 1 |
| Semiprimes | 43rd | |
| Roman numberals | CXXVI | CXXIX |
| Base 2 | 11111102 | 100000012 |
| Base 3 | 112003 | 112103 |
| Base 4 | 13324 | 20014 |
| Base 5 | 10015 | 10045 |
| Base 6 | 3306 | 3336 |
| Base 7 | 2407 | 2437 |
| Base 8 | 1768 | 2018 |
| Base 9 | 1509 | 1539 |
| Base 10 | 12610 | 12910 |
| Base 11 | 10511 | 10811 |
| Base 12 | a612 | a912 |
| Base 13 | 9913 | 9c13 |
| Base 14 | 9014 | 9314 |
| Base 15 | 8615 | 8915 |
| Base 16 | 7e16 | 8116 |