Compare 21904 vs 21909
| Property | 21904 | 21909 |
|---|---|---|
| Type | composite number | composite number |
| Unique factors | 2 | 3 |
| Total factors | 6 | 3 |
| Prime factorization | 24 × 372 | 31 × 671 × 1091 |
| Prime factorization | 2 × 2 × 2 × 2 × 37 × 37 | 3 × 67 × 109 |
| Divisors count | 15 | 8 |
| Divisors | 1, 2, 4, 8, 16, 37, 74, 148, 296, 592, 1369, 2738, 5476, 10952, 21904 | 1, 3, 67, 109, 201, 327, 7303, 21909 |
| Number of properties | 0 | 0 |
| Roman numberals | ||
| Base 2 | 1010101100100002 | 1010101100101012 |
| Base 3 | 10100010213 | 10100011103 |
| Base 4 | 111121004 | 111121114 |
| Base 5 | 12001045 | 12001145 |
| Base 6 | 2452246 | 2452336 |
| Base 7 | 1206017 | 1206067 |
| Base 8 | 526208 | 526258 |
| Base 9 | 330379 | 330439 |
| Base 10 | 2190410 | 2190910 |
| Base 11 | 1550311 | 1550811 |
| Base 12 | 1081412 | 1081912 |
| Base 13 | 9c7c13 | 9c8413 |
| Base 14 | 7da814 | 7dad14 |
| Base 15 | 675415 | 675915 |
| Base 16 | 559016 | 559516 |