Compare 20987 vs 21039
| Property | 20987 | 21039 |
|---|---|---|
| Type | semiprime | semiprime |
| Unique factors | 2 | 2 |
| Total factors | 2 | 2 |
| Prime factorization | 311 × 6771 | 31 × 70131 |
| Prime factorization | 31 × 677 | 3 × 7013 |
| Divisors count | 4 | 4 |
| Divisors | 1, 31, 677, 20987 | 1, 3, 7013, 21039 |
| Number of properties | 1 | 1 |
| Semiprimes | 5323rd | 5335th |
| Roman numberals | ||
| Base 2 | 1010001111110112 | 1010010001011112 |
| Base 3 | 10012100223 | 10012120203 |
| Base 4 | 110133234 | 110202334 |
| Base 5 | 11324225 | 11331245 |
| Base 6 | 2410556 | 2412236 |
| Base 7 | 1151217 | 1152247 |
| Base 8 | 507738 | 510578 |
| Base 9 | 317089 | 317669 |
| Base 10 | 2098710 | 2103910 |
| Base 11 | 1484a11 | 1489711 |
| Base 12 | 1018b12 | 1021312 |
| Base 13 | 972513 | 976513 |
| Base 14 | 791114 | 794b14 |
| Base 15 | 634215 | 637915 |
| Base 16 | 51fb16 | 522f16 |