Compare 81207 vs 81218
| Property | 81207 | 81218 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 3 | 2 |
| Total factors | 4 | 2 |
| Prime factorization | 32 × 71 × 12891 | 21 × 406091 |
| Prime factorization | 3 × 3 × 7 × 1289 | 2 × 40609 |
| Divisors count | 12 | 4 |
| Divisors | 1, 3, 7, 9, 21, 63, 1289, 3867, 9023, 11601, 27069, 81207 | 1, 2, 40609, 81218 |
| Number of properties | 0 | 1 |
| Semiprimes | 19186th | |
| Roman numberals | ||
| Base 2 | 100111101001101112 | 100111101010000102 |
| Base 3 | 110101012003 | 110101020023 |
| Base 4 | 1033103134 | 1033110024 |
| Base 5 | 100443125 | 100443335 |
| Base 6 | 14235436 | 14240026 |
| Base 7 | 4555207 | 4555347 |
| Base 8 | 2364678 | 2365028 |
| Base 9 | 1333509 | 1333629 |
| Base 10 | 8120710 | 8121810 |
| Base 11 | 5601511 | 5602511 |
| Base 12 | 3abb312 | 3b00212 |
| Base 13 | 2ac6913 | 2ac7713 |
| Base 14 | 2184714 | 2185414 |
| Base 15 | 190dc15 | 190e815 |
| Base 16 | 13d3716 | 13d4216 |