Compare 21901 vs 21905
| Property | 21901 | 21905 |
|---|---|---|
| Type | composite number | composite number |
| Unique factors | 2 | 3 |
| Total factors | 3 | 3 |
| Prime factorization | 112 × 1811 | 51 × 131 × 3371 |
| Prime factorization | 11 × 11 × 181 | 5 × 13 × 337 |
| Divisors count | 6 | 8 |
| Divisors | 1, 11, 121, 181, 1991, 21901 | 1, 5, 13, 65, 337, 1685, 4381, 21905 |
| Number of properties | 0 | 0 |
| Roman numberals | ||
| Base 2 | 1010101100011012 | 1010101100100012 |
| Base 3 | 10100010113 | 10100010223 |
| Base 4 | 111120314 | 111121014 |
| Base 5 | 12001015 | 12001105 |
| Base 6 | 2452216 | 2452256 |
| Base 7 | 1205657 | 1206027 |
| Base 8 | 526158 | 526218 |
| Base 9 | 330349 | 330389 |
| Base 10 | 2190110 | 2190510 |
| Base 11 | 1550011 | 1550411 |
| Base 12 | 1081112 | 1081512 |
| Base 13 | 9c7913 | 9c8013 |
| Base 14 | 7da514 | 7da914 |
| Base 15 | 675115 | 675515 |
| Base 16 | 558d16 | 559116 |