Compare 21007 vs 21008
| Property | 21007 | 21008 |
|---|---|---|
| Type | semiprime | composite number |
| Unique factors | 2 | 3 |
| Total factors | 2 | 6 |
| Prime factorization | 71 × 30011 | 24 × 131 × 1011 |
| Prime factorization | 7 × 3001 | 2 × 2 × 2 × 2 × 13 × 101 |
| Divisors count | 4 | 20 |
| Divisors | 1, 7, 3001, 21007 | 1, 2, 4, 8, 13, 16, 26, 52, 101, 104, 202, 208, 404, 808, 1313, 1616, 2626, 5252, 10504, 21008 |
| Number of properties | 1 | 0 |
| Semiprimes | 5331st | |
| Roman numberals | ||
| Base 2 | 1010010000011112 | 1010010000100002 |
| Base 3 | 10012110013 | 10012110023 |
| Base 4 | 110200334 | 110201004 |
| Base 5 | 11330125 | 11330135 |
| Base 6 | 2411316 | 2411326 |
| Base 7 | 1151507 | 1151517 |
| Base 8 | 510178 | 510208 |
| Base 9 | 317319 | 317329 |
| Base 10 | 2100710 | 2100810 |
| Base 11 | 1486811 | 1486911 |
| Base 12 | 101a712 | 101a812 |
| Base 13 | 973c13 | 974013 |
| Base 14 | 792714 | 792814 |
| Base 15 | 635715 | 635815 |
| Base 16 | 520f16 | 521016 |