Compare 81801 vs 81805
| Property | 81801 | 81805 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 3 | 2 |
| Total factors | 4 | 2 |
| Prime factorization | 32 × 611 × 1491 | 51 × 163611 |
| Prime factorization | 3 × 3 × 61 × 149 | 5 × 16361 |
| Divisors count | 12 | 4 |
| Divisors | 1, 3, 9, 61, 149, 183, 447, 549, 1341, 9089, 27267, 81801 | 1, 5, 16361, 81805 |
| Number of properties | 0 | 1 |
| Semiprimes | 19310th | |
| Roman numberals | ||
| Base 2 | 100111111100010012 | 100111111100011012 |
| Base 3 | 110110122003 | 110110122113 |
| Base 4 | 1033320214 | 1033320314 |
| Base 5 | 101042015 | 101042105 |
| Base 6 | 14304136 | 14304216 |
| Base 7 | 4603267 | 4603337 |
| Base 8 | 2376118 | 2376158 |
| Base 9 | 1341809 | 1341849 |
| Base 10 | 8180110 | 8180510 |
| Base 11 | 5650511 | 5650911 |
| Base 12 | 3b40912 | 3b41112 |
| Base 13 | 2b30513 | 2b30913 |
| Base 14 | 21b4d14 | 21b5314 |
| Base 15 | 1938615 | 1938a15 |
| Base 16 | 13f8916 | 13f8d16 |