Compare 121 vs 126
| Property | 121 | 126 |
|---|---|---|
| Type | semiprime | composite number |
| Unique factors | 1 | 3 |
| Total factors | 2 | 4 |
| Prime factorization | 112 | 21 × 32 × 71 |
| Prime factorization | 11 × 11 | 2 × 3 × 3 × 7 |
| Divisors count | 3 | 12 |
| Divisors | 1, 11, 121 | 1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126 |
| Number of properties | 1 | 0 |
| Semiprimes | 40th | |
| Roman numberals | CXXI | CXXVI |
| Base 2 | 11110012 | 11111102 |
| Base 3 | 111113 | 112003 |
| Base 4 | 13214 | 13324 |
| Base 5 | 4415 | 10015 |
| Base 6 | 3216 | 3306 |
| Base 7 | 2327 | 2407 |
| Base 8 | 1718 | 1768 |
| Base 9 | 1449 | 1509 |
| Base 10 | 12110 | 12610 |
| Base 11 | 10011 | 10511 |
| Base 12 | a112 | a612 |
| Base 13 | 9413 | 9913 |
| Base 14 | 8914 | 9014 |
| Base 15 | 8115 | 8615 |
| Base 16 | 7916 | 7e16 |