Compare 21008 vs 21009
| Property | 21008 | 21009 |
|---|---|---|
| Type | composite number | composite number |
| Unique factors | 3 | 3 |
| Total factors | 6 | 3 |
| Prime factorization | 24 × 131 × 1011 | 31 × 471 × 1491 |
| Prime factorization | 2 × 2 × 2 × 2 × 13 × 101 | 3 × 47 × 149 |
| Divisors count | 20 | 8 |
| Divisors | 1, 2, 4, 8, 13, 16, 26, 52, 101, 104, 202, 208, 404, 808, 1313, 1616, 2626, 5252, 10504, 21008 | 1, 3, 47, 141, 149, 447, 7003, 21009 |
| Number of properties | 0 | 0 |
| Roman numberals | ||
| Base 2 | 1010010000100002 | 1010010000100012 |
| Base 3 | 10012110023 | 10012110103 |
| Base 4 | 110201004 | 110201014 |
| Base 5 | 11330135 | 11330145 |
| Base 6 | 2411326 | 2411336 |
| Base 7 | 1151517 | 1151527 |
| Base 8 | 510208 | 510218 |
| Base 9 | 317329 | 317339 |
| Base 10 | 2100810 | 2100910 |
| Base 11 | 1486911 | 1486a11 |
| Base 12 | 101a812 | 101a912 |
| Base 13 | 974013 | 974113 |
| Base 14 | 792814 | 792914 |
| Base 15 | 635815 | 635915 |
| Base 16 | 521016 | 521116 |