Compare 21905 vs 21916
| Property | 21905 | 21916 |
|---|---|---|
| Type | composite number | composite number |
| Unique factors | 3 | 2 |
| Total factors | 3 | 3 |
| Prime factorization | 51 × 131 × 3371 | 22 × 54791 |
| Prime factorization | 5 × 13 × 337 | 2 × 2 × 5479 |
| Divisors count | 8 | 6 |
| Divisors | 1, 5, 13, 65, 337, 1685, 4381, 21905 | 1, 2, 4, 5479, 10958, 21916 |
| Number of properties | 0 | 0 |
| Roman numberals | ||
| Base 2 | 1010101100100012 | 1010101100111002 |
| Base 3 | 10100010223 | 10100012013 |
| Base 4 | 111121014 | 111121304 |
| Base 5 | 12001105 | 12001315 |
| Base 6 | 2452256 | 2452446 |
| Base 7 | 1206027 | 1206167 |
| Base 8 | 526218 | 526348 |
| Base 9 | 330389 | 330519 |
| Base 10 | 2190510 | 2191610 |
| Base 11 | 1550411 | 1551411 |
| Base 12 | 1081512 | 1082412 |
| Base 13 | 9c8013 | 9c8b13 |
| Base 14 | 7da914 | 7db614 |
| Base 15 | 675515 | 676115 |
| Base 16 | 559116 | 559c16 |