Compare 121 vs 122
| Property | 121 | 122 |
|---|---|---|
| Type | semiprime | semiprime |
| Unique factors | 1 | 2 |
| Total factors | 2 | 2 |
| Prime factorization | 112 | 21 × 611 |
| Prime factorization | 11 × 11 | 2 × 61 |
| Divisors count | 3 | 4 |
| Divisors | 1, 11, 121 | 1, 2, 61, 122 |
| Number of properties | 1 | 1 |
| Semiprimes | 40th | 41st |
| Roman numberals | CXXI | CXXII |
| Base 2 | 11110012 | 11110102 |
| Base 3 | 111113 | 111123 |
| Base 4 | 13214 | 13224 |
| Base 5 | 4415 | 4425 |
| Base 6 | 3216 | 3226 |
| Base 7 | 2327 | 2337 |
| Base 8 | 1718 | 1728 |
| Base 9 | 1449 | 1459 |
| Base 10 | 12110 | 12210 |
| Base 11 | 10011 | 10111 |
| Base 12 | a112 | a212 |
| Base 13 | 9413 | 9513 |
| Base 14 | 8914 | 8a14 |
| Base 15 | 8115 | 8215 |
| Base 16 | 7916 | 7a16 |