Compare 21195 vs 21205
| Property | 21195 | 21205 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 3 | 2 |
| Total factors | 5 | 2 |
| Prime factorization | 33 × 51 × 1571 | 51 × 42411 |
| Prime factorization | 3 × 3 × 3 × 5 × 157 | 5 × 4241 |
| Divisors count | 16 | 4 |
| Divisors | 1, 3, 5, 9, 15, 27, 45, 135, 157, 471, 785, 1413, 2355, 4239, 7065, 21195 | 1, 5, 4241, 21205 |
| Number of properties | 0 | 1 |
| Semiprimes | 5372nd | |
| Roman numberals | ||
| Base 2 | 1010010110010112 | 1010010110101012 |
| Base 3 | 10020020003 | 10020021013 |
| Base 4 | 110230234 | 110231114 |
| Base 5 | 11342405 | 11343105 |
| Base 6 | 2420436 | 2421016 |
| Base 7 | 1155367 | 1155527 |
| Base 8 | 513138 | 513258 |
| Base 9 | 320609 | 320719 |
| Base 10 | 2119510 | 2120510 |
| Base 11 | 14a1911 | 14a2811 |
| Base 12 | 1032312 | 1033112 |
| Base 13 | 985513 | 986213 |
| Base 14 | 7a1d14 | 7a2914 |
| Base 15 | 643015 | 643a15 |
| Base 16 | 52cb16 | 52d516 |