Compare 81839 vs 81919
| Property | 81839 | 81919 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 818391 | 819191 |
| Prime factorization | 81839 | 81919 |
| Divisors count | 2 | 2 |
| Divisors | 1, 81839 | 1, 81919 |
| Number of properties | 6 | 5 |
| Additive primes | 3324th | |
| Chen primes | 3609th | |
| Happy primes | 1239th | |
| Harmonic primes | 3022nd | |
| Isolated primes | 5945th | 5950th |
| Primes | 8002nd | 8009th |
| Solinas primes | 112th | |
| Sophie germain primes | 994th | |
| Super primes | 1008th | |
| Roman numberals | ||
| Base 2 | 100111111101011112 | 100111111111111112 |
| Base 3 | 110110210023 | 110111010013 |
| Base 4 | 1033322334 | 1033333334 |
| Base 5 | 101043245 | 101101345 |
| Base 6 | 14305156 | 14311316 |
| Base 7 | 4604127 | 4605557 |
| Base 8 | 2376578 | 2377778 |
| Base 9 | 1342329 | 1343319 |
| Base 10 | 8183910 | 8191910 |
| Base 11 | 5653a11 | 5660211 |
| Base 12 | 3b43b12 | 3b4a712 |
| Base 13 | 2b33413 | 2b39613 |
| Base 14 | 21b7914 | 21bd514 |
| Base 15 | 193ae15 | 1941415 |
| Base 16 | 13faf16 | 13fff16 |