Compare 21009 vs 21021
| Property | 21009 | 21021 |
|---|---|---|
| Type | composite number | composite number |
| Unique factors | 3 | 4 |
| Total factors | 3 | 5 |
| Prime factorization | 31 × 471 × 1491 | 31 × 72 × 111 × 131 |
| Prime factorization | 3 × 47 × 149 | 3 × 7 × 7 × 11 × 13 |
| Divisors count | 8 | 24 |
| Divisors | 1, 3, 47, 141, 149, 447, 7003, 21009 | 1, 3, 7, 11, 13, 21, 33, 39, 49, 77, 91, 143, 147, 231, 273, 429, 539, 637, 1001, 1617, 1911, 3003, 7007, 21021 |
| Number of properties | 0 | 0 |
| Roman numberals | ||
| Base 2 | 1010010000100012 | 1010010000111012 |
| Base 3 | 10012110103 | 10012111203 |
| Base 4 | 110201014 | 110201314 |
| Base 5 | 11330145 | 11330415 |
| Base 6 | 2411336 | 2411536 |
| Base 7 | 1151527 | 1152007 |
| Base 8 | 510218 | 510358 |
| Base 9 | 317339 | 317469 |
| Base 10 | 2100910 | 2102110 |
| Base 11 | 1486a11 | 1488011 |
| Base 12 | 101a912 | 101b912 |
| Base 13 | 974113 | 975013 |
| Base 14 | 792914 | 793714 |
| Base 15 | 635915 | 636615 |
| Base 16 | 521116 | 521d16 |