Compare 20989 vs 21007
| Property | 20989 | 21007 |
|---|---|---|
| Type | semiprime | semiprime |
| Unique factors | 2 | 2 |
| Total factors | 2 | 2 |
| Prime factorization | 1391 × 1511 | 71 × 30011 |
| Prime factorization | 139 × 151 | 7 × 3001 |
| Divisors count | 4 | 4 |
| Divisors | 1, 139, 151, 20989 | 1, 7, 3001, 21007 |
| Number of properties | 1 | 1 |
| Semiprimes | 5324th | 5331st |
| Roman numberals | ||
| Base 2 | 1010001111111012 | 1010010000011112 |
| Base 3 | 10012101013 | 10012110013 |
| Base 4 | 110133314 | 110200334 |
| Base 5 | 11324245 | 11330125 |
| Base 6 | 2411016 | 2411316 |
| Base 7 | 1151237 | 1151507 |
| Base 8 | 507758 | 510178 |
| Base 9 | 317119 | 317319 |
| Base 10 | 2098910 | 2100710 |
| Base 11 | 1485111 | 1486811 |
| Base 12 | 1019112 | 101a712 |
| Base 13 | 972713 | 973c13 |
| Base 14 | 791314 | 792714 |
| Base 15 | 634415 | 635715 |
| Base 16 | 51fd16 | 520f16 |