Compare 21205 vs 21207
| Property | 21205 | 21207 |
|---|---|---|
| Type | semiprime | semiprime |
| Unique factors | 2 | 2 |
| Total factors | 2 | 2 |
| Prime factorization | 51 × 42411 | 31 × 70691 |
| Prime factorization | 5 × 4241 | 3 × 7069 |
| Divisors count | 4 | 4 |
| Divisors | 1, 5, 4241, 21205 | 1, 3, 7069, 21207 |
| Number of properties | 1 | 1 |
| Semiprimes | 5372nd | 5373rd |
| Roman numberals | ||
| Base 2 | 1010010110101012 | 1010010110101112 |
| Base 3 | 10020021013 | 10020021103 |
| Base 4 | 110231114 | 110231134 |
| Base 5 | 11343105 | 11343125 |
| Base 6 | 2421016 | 2421036 |
| Base 7 | 1155527 | 1155547 |
| Base 8 | 513258 | 513278 |
| Base 9 | 320719 | 320739 |
| Base 10 | 2120510 | 2120710 |
| Base 11 | 14a2811 | 14a2a11 |
| Base 12 | 1033112 | 1033312 |
| Base 13 | 986213 | 986413 |
| Base 14 | 7a2914 | 7a2b14 |
| Base 15 | 643a15 | 643c15 |
| Base 16 | 52d516 | 52d716 |