Compare 221205 vs 221213
| Property | 221205 | 221213 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 3 | 2 |
| Total factors | 3 | 2 |
| Prime factorization | 31 × 51 × 147471 | 1571 × 14091 |
| Prime factorization | 3 × 5 × 14747 | 157 × 1409 |
| Divisors count | 8 | 4 |
| Divisors | 1, 3, 5, 15, 14747, 44241, 73735, 221205 | 1, 157, 1409, 221213 |
| Number of properties | 0 | 1 |
| Semiprimes | 49783rd | |
| Roman numberals | ||
| Base 2 | 1101100000000101012 | 1101100000000111012 |
| Base 3 | 1020201022103 | 1020201100023 |
| Base 4 | 3120001114 | 3120001314 |
| Base 5 | 240343105 | 240343235 |
| Base 6 | 44240336 | 44240456 |
| Base 7 | 16106257 | 16106367 |
| Base 8 | 6600258 | 6600358 |
| Base 9 | 3663839 | 3664029 |
| Base 10 | 22120510 | 22121310 |
| Base 11 | 14121611 | 14122311 |
| Base 12 | a801912 | a802512 |
| Base 13 | 798ba13 | 798c513 |
| Base 14 | 5a88514 | 5a88d14 |
| Base 15 | 4582015 | 4582815 |
| Base 16 | 3601516 | 3601d16 |