Compare 21809 vs 21812
| Property | 21809 | 21812 |
|---|---|---|
| Type | semiprime | composite number |
| Unique factors | 2 | 4 |
| Total factors | 2 | 5 |
| Prime factorization | 1131 × 1931 | 22 × 71 × 191 × 411 |
| Prime factorization | 113 × 193 | 2 × 2 × 7 × 19 × 41 |
| Divisors count | 4 | 24 |
| Divisors | 1, 113, 193, 21809 | 1, 2, 4, 7, 14, 19, 28, 38, 41, 76, 82, 133, 164, 266, 287, 532, 574, 779, 1148, 1558, 3116, 5453, 10906, 21812 |
| Number of properties | 1 | 0 |
| Semiprimes | 5510th | |
| Roman numberals | ||
| Base 2 | 1010101001100012 | 1010101001101002 |
| Base 3 | 10022202023 | 10022202123 |
| Base 4 | 111103014 | 111103104 |
| Base 5 | 11442145 | 11442225 |
| Base 6 | 2445456 | 2445526 |
| Base 7 | 1204047 | 1204107 |
| Base 8 | 524618 | 524648 |
| Base 9 | 328229 | 328259 |
| Base 10 | 2180910 | 2181210 |
| Base 11 | 1542711 | 1542a11 |
| Base 12 | 1075512 | 1075812 |
| Base 13 | 9c0813 | 9c0b13 |
| Base 14 | 7d3b14 | 7d4014 |
| Base 15 | 66de15 | 66e215 |
| Base 16 | 553116 | 553416 |