Compare 139121 vs 139681
| Property | 139121 | 139681 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 1391211 | 1396811 |
| Prime factorization | 139121 | 139681 |
| Divisors count | 2 | 2 |
| Divisors | 1, 139121 | 1, 139681 |
| Number of properties | 8 | 5 |
| Additive primes | 5339th | |
| Chen primes | 5573rd | |
| Emirps | 2678th | |
| Happy primes | 2018th | 2027th |
| Harmonic primes | 4859th | 4876th |
| Isolated primes | 9768th | |
| Primes | 12933rd | 12981st |
| Pythagorean primes | 6439th | 6465th |
| Twin primes (1st member) | 1601st | |
| Roman numberals | ||
| Base 2 | 1000011111011100012 | 1000100001101000012 |
| Base 3 | 210012111223 | 210021211013 |
| Base 4 | 2013313014 | 2020122014 |
| Base 5 | 134224415 | 134322115 |
| Base 6 | 25520256 | 25544016 |
| Base 7 | 11164137 | 11211437 |
| Base 8 | 4175618 | 4206418 |
| Base 9 | 2317489 | 2325419 |
| Base 10 | 13912110 | 13968110 |
| Base 11 | 9558411 | 95a4311 |
| Base 12 | 6861512 | 68a0112 |
| Base 13 | 4b42813 | 4b76913 |
| Base 14 | 389b314 | 38c9314 |
| Base 15 | 2b34b15 | 2b5c115 |
| Base 16 | 21f7116 | 221a116 |