Compare 138923 vs 139121
| Property | 138923 | 139121 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 1389231 | 1391211 |
| Prime factorization | 138923 | 139121 |
| Divisors count | 2 | 2 |
| Divisors | 1, 138923 | 1, 139121 |
| Number of properties | 4 | 8 |
| Additive primes | 5339th | |
| Chen primes | 5573rd | |
| Emirps | 2678th | |
| Happy primes | 2018th | |
| Harmonic primes | 4859th | |
| Isolated primes | 9723rd | |
| Primes | 12922nd | 12933rd |
| Pythagorean primes | 6439th | |
| Sexy primes (2nd member) | 3187th | |
| Sophie germain primes | 1540th | |
| Twin primes (1st member) | 1601st | |
| Roman numberals | ||
| Base 2 | 1000011110101010112 | 1000011111011100012 |
| Base 3 | 210011200223 | 210012111223 |
| Base 4 | 2013222234 | 2013313014 |
| Base 5 | 134211435 | 134224415 |
| Base 6 | 25510556 | 25520256 |
| Base 7 | 11160117 | 11164137 |
| Base 8 | 4172538 | 4175618 |
| Base 9 | 2315089 | 2317489 |
| Base 10 | 13892310 | 13912110 |
| Base 11 | 9541411 | 9558411 |
| Base 12 | 6848b12 | 6861512 |
| Base 13 | 4b30513 | 4b42813 |
| Base 14 | 388b114 | 389b314 |
| Base 15 | 2b26815 | 2b34b15 |
| Base 16 | 21eab16 | 21f7116 |