Compare 21005 vs 21010
| Property | 21005 | 21010 |
|---|---|---|
| Type | semiprime | composite number |
| Unique factors | 2 | 4 |
| Total factors | 2 | 4 |
| Prime factorization | 51 × 42011 | 21 × 51 × 111 × 1911 |
| Prime factorization | 5 × 4201 | 2 × 5 × 11 × 191 |
| Divisors count | 4 | 16 |
| Divisors | 1, 5, 4201, 21005 | 1, 2, 5, 10, 11, 22, 55, 110, 191, 382, 955, 1910, 2101, 4202, 10505, 21010 |
| Number of properties | 1 | 0 |
| Semiprimes | 5330th | |
| Roman numberals | ||
| Base 2 | 1010010000011012 | 1010010000100102 |
| Base 3 | 10012102223 | 10012110113 |
| Base 4 | 110200314 | 110201024 |
| Base 5 | 11330105 | 11330205 |
| Base 6 | 2411256 | 2411346 |
| Base 7 | 1151457 | 1151537 |
| Base 8 | 510158 | 510228 |
| Base 9 | 317289 | 317349 |
| Base 10 | 2100510 | 2101010 |
| Base 11 | 1486611 | 1487011 |
| Base 12 | 101a512 | 101aa12 |
| Base 13 | 973a13 | 974213 |
| Base 14 | 792514 | 792a14 |
| Base 15 | 635515 | 635a15 |
| Base 16 | 520d16 | 521216 |