Compare 81805 vs 81812
| Property | 81805 | 81812 |
|---|---|---|
| Type | semiprime | composite number |
| Unique factors | 2 | 3 |
| Total factors | 2 | 4 |
| Prime factorization | 51 × 163611 | 22 × 1131 × 1811 |
| Prime factorization | 5 × 16361 | 2 × 2 × 113 × 181 |
| Divisors count | 4 | 12 |
| Divisors | 1, 5, 16361, 81805 | 1, 2, 4, 113, 181, 226, 362, 452, 724, 20453, 40906, 81812 |
| Number of properties | 1 | 0 |
| Semiprimes | 19310th | |
| Roman numberals | ||
| Base 2 | 100111111100011012 | 100111111100101002 |
| Base 3 | 110110122113 | 110110200023 |
| Base 4 | 1033320314 | 1033321104 |
| Base 5 | 101042105 | 101042225 |
| Base 6 | 14304216 | 14304326 |
| Base 7 | 4603337 | 4603437 |
| Base 8 | 2376158 | 2376248 |
| Base 9 | 1341849 | 1342029 |
| Base 10 | 8180510 | 8181210 |
| Base 11 | 5650911 | 5651511 |
| Base 12 | 3b41112 | 3b41812 |
| Base 13 | 2b30913 | 2b31313 |
| Base 14 | 21b5314 | 21b5a14 |
| Base 15 | 1938a15 | 1939215 |
| Base 16 | 13f8d16 | 13f9416 |