Compare 138239 vs 139121
| Property | 138239 | 139121 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 1382391 | 1391211 |
| Prime factorization | 138239 | 139121 |
| Divisors count | 2 | 2 |
| Divisors | 1, 138239 | 1, 139121 |
| Number of properties | 5 | 8 |
| Additive primes | 5339th | |
| Chen primes | 5543rd | 5573rd |
| Emirps | 2678th | |
| Happy primes | 2018th | |
| Harmonic primes | 4828th | 4859th |
| Primes | 12861st | 12933rd |
| Pythagorean primes | 6439th | |
| Safe primes | 871st | |
| Twin primes (1st member) | 1595th | 1601st |
| Roman numberals | ||
| Base 2 | 1000011011111111112 | 1000011111011100012 |
| Base 3 | 210001212223 | 210012111223 |
| Base 4 | 2012333334 | 2013313014 |
| Base 5 | 134104245 | 134224415 |
| Base 6 | 25435556 | 25520256 |
| Base 7 | 11140137 | 11164137 |
| Base 8 | 4157778 | 4175618 |
| Base 9 | 2305589 | 2317489 |
| Base 10 | 13823910 | 13912110 |
| Base 11 | 9495211 | 9558411 |
| Base 12 | 67bbb12 | 6861512 |
| Base 13 | 4abca13 | 4b42813 |
| Base 14 | 3854314 | 389b314 |
| Base 15 | 2ae5e15 | 2b34b15 |
| Base 16 | 21bff16 | 21f7116 |