Compare 115 vs 121
| Property | 115 | 121 |
|---|---|---|
| Type | semiprime | semiprime |
| Unique factors | 2 | 1 |
| Total factors | 2 | 2 |
| Prime factorization | 51 × 231 | 112 |
| Prime factorization | 5 × 23 | 11 × 11 |
| Divisors count | 4 | 3 |
| Divisors | 1, 5, 23, 115 | 1, 11, 121 |
| Number of properties | 1 | 1 |
| Semiprimes | 37th | 40th |
| Roman numberals | CXV | CXXI |
| Base 2 | 11100112 | 11110012 |
| Base 3 | 110213 | 111113 |
| Base 4 | 13034 | 13214 |
| Base 5 | 4305 | 4415 |
| Base 6 | 3116 | 3216 |
| Base 7 | 2237 | 2327 |
| Base 8 | 1638 | 1718 |
| Base 9 | 1379 | 1449 |
| Base 10 | 11510 | 12110 |
| Base 11 | a511 | 10011 |
| Base 12 | 9712 | a112 |
| Base 13 | 8b13 | 9413 |
| Base 14 | 8314 | 8914 |
| Base 15 | 7a15 | 8115 |
| Base 16 | 7316 | 7916 |