Compare 139681 vs 139691
| Property | 139681 | 139691 |
|---|---|---|
| Type | prime | semiprime |
| Unique factors | 1 | 2 |
| Total factors | 1 | 2 |
| Prime factorization | 1396811 | 1631 × 8571 |
| Prime factorization | 139681 | 163 × 857 |
| Divisors count | 2 | 4 |
| Divisors | 1, 139681 | 1, 163, 857, 139691 |
| Number of properties | 5 | 1 |
| Happy primes | 2027th | |
| Harmonic primes | 4876th | |
| Isolated primes | 9768th | |
| Primes | 12981st | |
| Pythagorean primes | 6465th | |
| Semiprimes | 32117th | |
| Roman numberals | ||
| Base 2 | 1000100001101000012 | 1000100001101010112 |
| Base 3 | 210021211013 | 210021212023 |
| Base 4 | 2020122014 | 2020122234 |
| Base 5 | 134322115 | 134322315 |
| Base 6 | 25544016 | 25544156 |
| Base 7 | 11211437 | 11211567 |
| Base 8 | 4206418 | 4206538 |
| Base 9 | 2325419 | 2325529 |
| Base 10 | 13968110 | 13969110 |
| Base 11 | 95a4311 | 95a5211 |
| Base 12 | 68a0112 | 68a0b12 |
| Base 13 | 4b76913 | 4b77613 |
| Base 14 | 38c9314 | 38c9d14 |
| Base 15 | 2b5c115 | 2b5cb15 |
| Base 16 | 221a116 | 221ab16 |