Compare 21021 vs 21029
| Property | 21021 | 21029 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 4 | 2 |
| Total factors | 5 | 2 |
| Prime factorization | 31 × 72 × 111 × 131 | 171 × 12371 |
| Prime factorization | 3 × 7 × 7 × 11 × 13 | 17 × 1237 |
| Divisors count | 24 | 4 |
| 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, 17, 1237, 21029 |
| Number of properties | 0 | 1 |
| Semiprimes | 5333rd | |
| Roman numberals | ||
| Base 2 | 1010010000111012 | 1010010001001012 |
| Base 3 | 10012111203 | 10012112123 |
| Base 4 | 110201314 | 110202114 |
| Base 5 | 11330415 | 11331045 |
| Base 6 | 2411536 | 2412056 |
| Base 7 | 1152007 | 1152117 |
| Base 8 | 510358 | 510458 |
| Base 9 | 317469 | 317559 |
| Base 10 | 2102110 | 2102910 |
| Base 11 | 1488011 | 1488811 |
| Base 12 | 101b912 | 1020512 |
| Base 13 | 975013 | 975813 |
| Base 14 | 793714 | 794114 |
| Base 15 | 636615 | 636e15 |
| Base 16 | 521d16 | 522516 |