Compare 21042 vs 21047
| Property | 21042 | 21047 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 4 | 2 |
| Total factors | 5 | 2 |
| Prime factorization | 21 × 32 × 71 × 1671 | 131 × 16191 |
| Prime factorization | 2 × 3 × 3 × 7 × 167 | 13 × 1619 |
| Divisors count | 24 | 4 |
| Divisors | 1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 167, 334, 501, 1002, 1169, 1503, 2338, 3006, 3507, 7014, 10521, 21042 | 1, 13, 1619, 21047 |
| Number of properties | 0 | 1 |
| Semiprimes | 5338th | |
| Roman numberals | ||
| Base 2 | 1010010001100102 | 1010010001101112 |
| Base 3 | 10012121003 | 10012121123 |
| Base 4 | 110203024 | 110203134 |
| Base 5 | 11331325 | 11331425 |
| Base 6 | 2412306 | 2412356 |
| Base 7 | 1152307 | 1152357 |
| Base 8 | 510628 | 510678 |
| Base 9 | 317709 | 317759 |
| Base 10 | 2104210 | 2104710 |
| Base 11 | 1489a11 | 148a411 |
| Base 12 | 1021612 | 1021b12 |
| Base 13 | 976813 | 977013 |
| Base 14 | 795014 | 795514 |
| Base 15 | 637c15 | 638215 |
| Base 16 | 523216 | 523716 |