Compare 20989 vs 21005
| Property | 20989 | 21005 |
|---|---|---|
| Type | semiprime | semiprime |
| Unique factors | 2 | 2 |
| Total factors | 2 | 2 |
| Prime factorization | 1391 × 1511 | 51 × 42011 |
| Prime factorization | 139 × 151 | 5 × 4201 |
| Divisors count | 4 | 4 |
| Divisors | 1, 139, 151, 20989 | 1, 5, 4201, 21005 |
| Number of properties | 1 | 1 |
| Semiprimes | 5324th | 5330th |
| Roman numberals | ||
| Base 2 | 1010001111111012 | 1010010000011012 |
| Base 3 | 10012101013 | 10012102223 |
| Base 4 | 110133314 | 110200314 |
| Base 5 | 11324245 | 11330105 |
| Base 6 | 2411016 | 2411256 |
| Base 7 | 1151237 | 1151457 |
| Base 8 | 507758 | 510158 |
| Base 9 | 317119 | 317289 |
| Base 10 | 2098910 | 2100510 |
| Base 11 | 1485111 | 1486611 |
| Base 12 | 1019112 | 101a512 |
| Base 13 | 972713 | 973a13 |
| Base 14 | 791314 | 792514 |
| Base 15 | 634415 | 635515 |
| Base 16 | 51fd16 | 520d16 |