Compare 221 vs 226
| Property | 221 | 226 |
|---|---|---|
| Type | semiprime | semiprime |
| Unique factors | 2 | 2 |
| Total factors | 2 | 2 |
| Prime factorization | 131 × 171 | 21 × 1131 |
| Prime factorization | 13 × 17 | 2 × 113 |
| Divisors count | 4 | 4 |
| Divisors | 1, 13, 17, 221 | 1, 2, 113, 226 |
| Number of properties | 1 | 1 |
| Semiprimes | 75th | 76th |
| Roman numberals | CCXXI | CCXXVI |
| Base 2 | 110111012 | 111000102 |
| Base 3 | 220123 | 221013 |
| Base 4 | 31314 | 32024 |
| Base 5 | 13415 | 14015 |
| Base 6 | 10056 | 10146 |
| Base 7 | 4347 | 4427 |
| Base 8 | 3358 | 3428 |
| Base 9 | 2659 | 2719 |
| Base 10 | 22110 | 22610 |
| Base 11 | 19111 | 19611 |
| Base 12 | 16512 | 16a12 |
| Base 13 | 14013 | 14513 |
| Base 14 | 11b14 | 12214 |
| Base 15 | eb15 | 10115 |
| Base 16 | dd16 | e216 |