Compare 21205 vs 21206
| Property | 21205 | 21206 |
|---|---|---|
| Type | semiprime | composite number |
| Unique factors | 2 | 3 |
| Total factors | 2 | 3 |
| Prime factorization | 51 × 42411 | 21 × 231 × 4611 |
| Prime factorization | 5 × 4241 | 2 × 23 × 461 |
| Divisors count | 4 | 8 |
| Divisors | 1, 5, 4241, 21205 | 1, 2, 23, 46, 461, 922, 10603, 21206 |
| Number of properties | 1 | 0 |
| Semiprimes | 5372nd | |
| Roman numberals | ||
| Base 2 | 1010010110101012 | 1010010110101102 |
| Base 3 | 10020021013 | 10020021023 |
| Base 4 | 110231114 | 110231124 |
| Base 5 | 11343105 | 11343115 |
| Base 6 | 2421016 | 2421026 |
| Base 7 | 1155527 | 1155537 |
| Base 8 | 513258 | 513268 |
| Base 9 | 320719 | 320729 |
| Base 10 | 2120510 | 2120610 |
| Base 11 | 14a2811 | 14a2911 |
| Base 12 | 1033112 | 1033212 |
| Base 13 | 986213 | 986313 |
| Base 14 | 7a2914 | 7a2a14 |
| Base 15 | 643a15 | 643b15 |
| Base 16 | 52d516 | 52d616 |