Compare 138818 vs 138821
| Property | 138818 | 138821 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 3 | 1 |
| Prime factorization | 21 × 311 × 22391 | 1388211 |
| Prime factorization | 2 × 31 × 2239 | 138821 |
| Divisors count | 8 | 2 |
| Divisors | 1, 2, 31, 62, 2239, 4478, 69409, 138818 | 1, 138821 |
| Number of properties | 0 | 8 |
| Additive primes | 5328th | |
| Chen primes | 5563rd | |
| Emirps | 2673rd | |
| Isolated primes | 9713th | |
| Long primes | 4828th | |
| Primes | 12912th | |
| Pythagorean primes | 6427th | |
| Sophie germain primes | 1538th | |
| Roman numberals | ||
| Base 2 | 1000011110010000102 | 1000011110010001012 |
| Base 3 | 210011021023 | 210011021123 |
| Base 4 | 2013210024 | 2013210114 |
| Base 5 | 134202335 | 134202415 |
| Base 6 | 25504026 | 25504056 |
| Base 7 | 11155017 | 11155047 |
| Base 8 | 4171028 | 4171058 |
| Base 9 | 2313729 | 2313759 |
| Base 10 | 13881810 | 13882110 |
| Base 11 | 9532911 | 9533111 |
| Base 12 | 6840212 | 6840512 |
| Base 13 | 4b25413 | 4b25713 |
| Base 14 | 3883814 | 3883b14 |
| Base 15 | 2b1e815 | 2b1eb15 |
| Base 16 | 21e4216 | 21e4516 |