Compare 21021 vs 21028
| Property | 21021 | 21028 |
|---|---|---|
| Type | composite number | composite number |
| Unique factors | 4 | 3 |
| Total factors | 5 | 4 |
| Prime factorization | 31 × 72 × 111 × 131 | 22 × 71 × 7511 |
| Prime factorization | 3 × 7 × 7 × 11 × 13 | 2 × 2 × 7 × 751 |
| Divisors count | 24 | 12 |
| Divisors | 1, 3, 7, 11, 13, 21, 33, 39, 49, 77, 91, 143, 147, 231, 273, 429, 539, 637, 1001, 1617, 1911, 3003, 7007, 21021 | 1, 2, 4, 7, 14, 28, 751, 1502, 3004, 5257, 10514, 21028 |
| Number of properties | 0 | 0 |
| Roman numberals | ||
| Base 2 | 1010010000111012 | 1010010001001002 |
| Base 3 | 10012111203 | 10012112113 |
| Base 4 | 110201314 | 110202104 |
| Base 5 | 11330415 | 11331035 |
| Base 6 | 2411536 | 2412046 |
| Base 7 | 1152007 | 1152107 |
| Base 8 | 510358 | 510448 |
| Base 9 | 317469 | 317549 |
| Base 10 | 2102110 | 2102810 |
| Base 11 | 1488011 | 1488711 |
| Base 12 | 101b912 | 1020412 |
| Base 13 | 975013 | 975713 |
| Base 14 | 793714 | 794014 |
| Base 15 | 636615 | 636d15 |
| Base 16 | 521d16 | 522416 |