Compare 138821 vs 138823
| Property | 138821 | 138823 |
|---|---|---|
| Type | prime | semiprime |
| Unique factors | 1 | 2 |
| Total factors | 1 | 2 |
| Prime factorization | 1388211 | 291 × 47871 |
| Prime factorization | 138821 | 29 × 4787 |
| Divisors count | 2 | 4 |
| Divisors | 1, 138821 | 1, 29, 4787, 138823 |
| Number of properties | 8 | 1 |
| Additive primes | 5328th | |
| Chen primes | 5563rd | |
| Emirps | 2673rd | |
| Isolated primes | 9713th | |
| Long primes | 4828th | |
| Primes | 12912th | |
| Pythagorean primes | 6427th | |
| Semiprimes | 31928th | |
| Sophie germain primes | 1538th | |
| Roman numberals | ||
| Base 2 | 1000011110010001012 | 1000011110010001112 |
| Base 3 | 210011021123 | 210011021213 |
| Base 4 | 2013210114 | 2013210134 |
| Base 5 | 134202415 | 134202435 |
| Base 6 | 25504056 | 25504116 |
| Base 7 | 11155047 | 11155067 |
| Base 8 | 4171058 | 4171078 |
| Base 9 | 2313759 | 2313779 |
| Base 10 | 13882110 | 13882310 |
| Base 11 | 9533111 | 9533311 |
| Base 12 | 6840512 | 6840712 |
| Base 13 | 4b25713 | 4b25913 |
| Base 14 | 3883b14 | 3883d14 |
| Base 15 | 2b1eb15 | 2b1ed15 |
| Base 16 | 21e4516 | 21e4716 |