Compare 21155 vs 21205
| Property | 21155 | 21205 |
|---|---|---|
| Type | semiprime | semiprime |
| Unique factors | 2 | 2 |
| Total factors | 2 | 2 |
| Prime factorization | 51 × 42311 | 51 × 42411 |
| Prime factorization | 5 × 4231 | 5 × 4241 |
| Divisors count | 4 | 4 |
| Divisors | 1, 5, 4231, 21155 | 1, 5, 4241, 21205 |
| Number of properties | 1 | 1 |
| Semiprimes | 5363rd | 5372nd |
| Roman numberals | ||
| Base 2 | 1010010101000112 | 1010010110101012 |
| Base 3 | 10020001123 | 10020021013 |
| Base 4 | 110222034 | 110231114 |
| Base 5 | 11341105 | 11343105 |
| Base 6 | 2415356 | 2421016 |
| Base 7 | 1154517 | 1155527 |
| Base 8 | 512438 | 513258 |
| Base 9 | 320159 | 320719 |
| Base 10 | 2115510 | 2120510 |
| Base 11 | 1499211 | 14a2811 |
| Base 12 | 102ab12 | 1033112 |
| Base 13 | 982413 | 986213 |
| Base 14 | 79d114 | 7a2914 |
| Base 15 | 640515 | 643a15 |
| Base 16 | 52a316 | 52d516 |