Compare 21004 vs 21005
| Property | 21004 | 21005 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 3 | 2 |
| Total factors | 4 | 2 |
| Prime factorization | 22 × 591 × 891 | 51 × 42011 |
| Prime factorization | 2 × 2 × 59 × 89 | 5 × 4201 |
| Divisors count | 12 | 4 |
| Divisors | 1, 2, 4, 59, 89, 118, 178, 236, 356, 5251, 10502, 21004 | 1, 5, 4201, 21005 |
| Number of properties | 0 | 1 |
| Semiprimes | 5330th | |
| Roman numberals | ||
| Base 2 | 1010010000011002 | 1010010000011012 |
| Base 3 | 10012102213 | 10012102223 |
| Base 4 | 110200304 | 110200314 |
| Base 5 | 11330045 | 11330105 |
| Base 6 | 2411246 | 2411256 |
| Base 7 | 1151447 | 1151457 |
| Base 8 | 510148 | 510158 |
| Base 9 | 317279 | 317289 |
| Base 10 | 2100410 | 2100510 |
| Base 11 | 1486511 | 1486611 |
| Base 12 | 101a412 | 101a512 |
| Base 13 | 973913 | 973a13 |
| Base 14 | 792414 | 792514 |
| Base 15 | 635415 | 635515 |
| Base 16 | 520c16 | 520d16 |