Compare 221 vs 259
| Property | 221 | 259 |
|---|---|---|
| Type | semiprime | semiprime |
| Unique factors | 2 | 2 |
| Total factors | 2 | 2 |
| Prime factorization | 131 × 171 | 71 × 371 |
| Prime factorization | 13 × 17 | 7 × 37 |
| Divisors count | 4 | 4 |
| Divisors | 1, 13, 17, 221 | 1, 7, 37, 259 |
| Number of properties | 1 | 1 |
| Semiprimes | 75th | 83rd |
| Roman numberals | CCXXI | CCLIX |
| Base 2 | 110111012 | 1000000112 |
| Base 3 | 220123 | 1001213 |
| Base 4 | 31314 | 100034 |
| Base 5 | 13415 | 20145 |
| Base 6 | 10056 | 11116 |
| Base 7 | 4347 | 5207 |
| Base 8 | 3358 | 4038 |
| Base 9 | 2659 | 3179 |
| Base 10 | 22110 | 25910 |
| Base 11 | 19111 | 21611 |
| Base 12 | 16512 | 19712 |
| Base 13 | 14013 | 16c13 |
| Base 14 | 11b14 | 14714 |
| Base 15 | eb15 | 12415 |
| Base 16 | dd16 | 10316 |