Compare 221 vs 267
| Property | 221 | 267 |
|---|---|---|
| Type | semiprime | semiprime |
| Unique factors | 2 | 2 |
| Total factors | 2 | 2 |
| Prime factorization | 131 × 171 | 31 × 891 |
| Prime factorization | 13 × 17 | 3 × 89 |
| Divisors count | 4 | 4 |
| Divisors | 1, 13, 17, 221 | 1, 3, 89, 267 |
| Number of properties | 1 | 1 |
| Semiprimes | 75th | 86th |
| Roman numberals | CCXXI | CCLXVII |
| Base 2 | 110111012 | 1000010112 |
| Base 3 | 220123 | 1002203 |
| Base 4 | 31314 | 100234 |
| Base 5 | 13415 | 20325 |
| Base 6 | 10056 | 11236 |
| Base 7 | 4347 | 5317 |
| Base 8 | 3358 | 4138 |
| Base 9 | 2659 | 3269 |
| Base 10 | 22110 | 26710 |
| Base 11 | 19111 | 22311 |
| Base 12 | 16512 | 1a312 |
| Base 13 | 14013 | 17713 |
| Base 14 | 11b14 | 15114 |
| Base 15 | eb15 | 12c15 |
| Base 16 | dd16 | 10b16 |