Compare 21006 vs 21009
| Property | 21006 | 21009 |
|---|---|---|
| Type | composite number | composite number |
| Unique factors | 3 | 3 |
| Total factors | 5 | 3 |
| Prime factorization | 21 × 33 × 3891 | 31 × 471 × 1491 |
| Prime factorization | 2 × 3 × 3 × 3 × 389 | 3 × 47 × 149 |
| Divisors count | 16 | 8 |
| Divisors | 1, 2, 3, 6, 9, 18, 27, 54, 389, 778, 1167, 2334, 3501, 7002, 10503, 21006 | 1, 3, 47, 141, 149, 447, 7003, 21009 |
| Number of properties | 0 | 0 |
| Roman numberals | ||
| Base 2 | 1010010000011102 | 1010010000100012 |
| Base 3 | 10012110003 | 10012110103 |
| Base 4 | 110200324 | 110201014 |
| Base 5 | 11330115 | 11330145 |
| Base 6 | 2411306 | 2411336 |
| Base 7 | 1151467 | 1151527 |
| Base 8 | 510168 | 510218 |
| Base 9 | 317309 | 317339 |
| Base 10 | 2100610 | 2100910 |
| Base 11 | 1486711 | 1486a11 |
| Base 12 | 101a612 | 101a912 |
| Base 13 | 973b13 | 974113 |
| Base 14 | 792614 | 792914 |
| Base 15 | 635615 | 635915 |
| Base 16 | 520e16 | 521116 |