Compare 21005 vs 21008
| Property | 21005 | 21008 |
|---|---|---|
| Type | semiprime | composite number |
| Unique factors | 2 | 3 |
| Total factors | 2 | 6 |
| Prime factorization | 51 × 42011 | 24 × 131 × 1011 |
| Prime factorization | 5 × 4201 | 2 × 2 × 2 × 2 × 13 × 101 |
| Divisors count | 4 | 20 |
| Divisors | 1, 5, 4201, 21005 | 1, 2, 4, 8, 13, 16, 26, 52, 101, 104, 202, 208, 404, 808, 1313, 1616, 2626, 5252, 10504, 21008 |
| Number of properties | 1 | 0 |
| Semiprimes | 5330th | |
| Roman numberals | ||
| Base 2 | 1010010000011012 | 1010010000100002 |
| Base 3 | 10012102223 | 10012110023 |
| Base 4 | 110200314 | 110201004 |
| Base 5 | 11330105 | 11330135 |
| Base 6 | 2411256 | 2411326 |
| Base 7 | 1151457 | 1151517 |
| Base 8 | 510158 | 510208 |
| Base 9 | 317289 | 317329 |
| Base 10 | 2100510 | 2100810 |
| Base 11 | 1486611 | 1486911 |
| Base 12 | 101a512 | 101a812 |
| Base 13 | 973a13 | 974013 |
| Base 14 | 792514 | 792814 |
| Base 15 | 635515 | 635815 |
| Base 16 | 520d16 | 521016 |