Compare 81221 vs 81228
| Property | 81221 | 81228 |
|---|---|---|
| Type | composite number | composite number |
| Unique factors | 3 | 4 |
| Total factors | 3 | 5 |
| Prime factorization | 71 × 411 × 2831 | 22 × 31 × 71 × 9671 |
| Prime factorization | 7 × 41 × 283 | 2 × 2 × 3 × 7 × 967 |
| Divisors count | 8 | 24 |
| Divisors | 1, 7, 41, 283, 287, 1981, 11603, 81221 | 1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 967, 1934, 2901, 3868, 5802, 6769, 11604, 13538, 20307, 27076, 40614, 81228 |
| Number of properties | 0 | 0 |
| Roman numberals | ||
| Base 2 | 100111101010001012 | 100111101010011002 |
| Base 3 | 110101020123 | 110101021103 |
| Base 4 | 1033110114 | 1033110304 |
| Base 5 | 100443415 | 100444035 |
| Base 6 | 14240056 | 14240206 |
| Base 7 | 4555407 | 4555507 |
| Base 8 | 2365058 | 2365148 |
| Base 9 | 1333659 | 1333739 |
| Base 10 | 8122110 | 8122810 |
| Base 11 | 5602811 | 5603411 |
| Base 12 | 3b00512 | 3b01012 |
| Base 13 | 2ac7a13 | 2ac8413 |
| Base 14 | 2185714 | 2186014 |
| Base 15 | 190eb15 | 1910315 |
| Base 16 | 13d4516 | 13d4c16 |