Compare 21006 vs 21007
| Property | 21006 | 21007 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 3 | 2 |
| Total factors | 5 | 2 |
| Prime factorization | 21 × 33 × 3891 | 71 × 30011 |
| Prime factorization | 2 × 3 × 3 × 3 × 389 | 7 × 3001 |
| Divisors count | 16 | 4 |
| Divisors | 1, 2, 3, 6, 9, 18, 27, 54, 389, 778, 1167, 2334, 3501, 7002, 10503, 21006 | 1, 7, 3001, 21007 |
| Number of properties | 0 | 1 |
| Semiprimes | 5331st | |
| Roman numberals | ||
| Base 2 | 1010010000011102 | 1010010000011112 |
| Base 3 | 10012110003 | 10012110013 |
| Base 4 | 110200324 | 110200334 |
| Base 5 | 11330115 | 11330125 |
| Base 6 | 2411306 | 2411316 |
| Base 7 | 1151467 | 1151507 |
| Base 8 | 510168 | 510178 |
| Base 9 | 317309 | 317319 |
| Base 10 | 2100610 | 2100710 |
| Base 11 | 1486711 | 1486811 |
| Base 12 | 101a612 | 101a712 |
| Base 13 | 973b13 | 973c13 |
| Base 14 | 792614 | 792714 |
| Base 15 | 635615 | 635715 |
| Base 16 | 520e16 | 520f16 |