Compare 81981 vs 81985
| Property | 81981 | 81985 |
|---|---|---|
| Type | composite number | composite number |
| Unique factors | 2 | 3 |
| Total factors | 3 | 3 |
| Prime factorization | 32 × 91091 | 51 × 191 × 8631 |
| Prime factorization | 3 × 3 × 9109 | 5 × 19 × 863 |
| Divisors count | 6 | 8 |
| Divisors | 1, 3, 9, 9109, 27327, 81981 | 1, 5, 19, 95, 863, 4315, 16397, 81985 |
| Number of properties | 0 | 0 |
| Roman numberals | ||
| Base 2 | 101000000001111012 | 101000000010000012 |
| Base 3 | 110111101003 | 110111101113 |
| Base 4 | 1100003314 | 1100010014 |
| Base 5 | 101104115 | 101104205 |
| Base 6 | 14313136 | 14313216 |
| Base 7 | 4610047 | 4610117 |
| Base 8 | 2400758 | 2401018 |
| Base 9 | 1344109 | 1344149 |
| Base 10 | 8198110 | 8198510 |
| Base 11 | 5665911 | 5666211 |
| Base 12 | 3b53912 | 3b54112 |
| Base 13 | 2b41313 | 2b41713 |
| Base 14 | 21c3b14 | 21c4114 |
| Base 15 | 1945615 | 1945a15 |
| Base 16 | 1403d16 | 1404116 |