Compare 138821 vs 139121
| Property | 138821 | 139121 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 1388211 | 1391211 |
| Prime factorization | 138821 | 139121 |
| Divisors count | 2 | 2 |
| Divisors | 1, 138821 | 1, 139121 |
| Number of properties | 8 | 8 |
| Additive primes | 5328th | 5339th |
| Chen primes | 5563rd | 5573rd |
| Emirps | 2673rd | 2678th |
| Happy primes | 2018th | |
| Harmonic primes | 4859th | |
| Isolated primes | 9713th | |
| Long primes | 4828th | |
| Primes | 12912th | 12933rd |
| Pythagorean primes | 6427th | 6439th |
| Sophie germain primes | 1538th | |
| Twin primes (1st member) | 1601st | |
| Roman numberals | ||
| Base 2 | 1000011110010001012 | 1000011111011100012 |
| Base 3 | 210011021123 | 210012111223 |
| Base 4 | 2013210114 | 2013313014 |
| Base 5 | 134202415 | 134224415 |
| Base 6 | 25504056 | 25520256 |
| Base 7 | 11155047 | 11164137 |
| Base 8 | 4171058 | 4175618 |
| Base 9 | 2313759 | 2317489 |
| Base 10 | 13882110 | 13912110 |
| Base 11 | 9533111 | 9558411 |
| Base 12 | 6840512 | 6861512 |
| Base 13 | 4b25713 | 4b42813 |
| Base 14 | 3883b14 | 389b314 |
| Base 15 | 2b1eb15 | 2b34b15 |
| Base 16 | 21e4516 | 21f7116 |