Compare 21040 vs 21047
| Property | 21040 | 21047 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 3 | 2 |
| Total factors | 6 | 2 |
| Prime factorization | 24 × 51 × 2631 | 131 × 16191 |
| Prime factorization | 2 × 2 × 2 × 2 × 5 × 263 | 13 × 1619 |
| Divisors count | 20 | 4 |
| Divisors | 1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 263, 526, 1052, 1315, 2104, 2630, 4208, 5260, 10520, 21040 | 1, 13, 1619, 21047 |
| Number of properties | 0 | 1 |
| Semiprimes | 5338th | |
| Roman numberals | ||
| Base 2 | 1010010001100002 | 1010010001101112 |
| Base 3 | 10012120213 | 10012121123 |
| Base 4 | 110203004 | 110203134 |
| Base 5 | 11331305 | 11331425 |
| Base 6 | 2412246 | 2412356 |
| Base 7 | 1152257 | 1152357 |
| Base 8 | 510608 | 510678 |
| Base 9 | 317679 | 317759 |
| Base 10 | 2104010 | 2104710 |
| Base 11 | 1489811 | 148a411 |
| Base 12 | 1021412 | 1021b12 |
| Base 13 | 976613 | 977013 |
| Base 14 | 794c14 | 795514 |
| Base 15 | 637a15 | 638215 |
| Base 16 | 523016 | 523716 |