Compare 81839 vs 81853
| Property | 81839 | 81853 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 818391 | 818531 |
| Prime factorization | 81839 | 81853 |
| Divisors count | 2 | 2 |
| Divisors | 1, 81839 | 1, 81853 |
| Number of properties | 6 | 4 |
| Additive primes | 3324th | |
| Chen primes | 3609th | |
| Happy primes | 1239th | |
| Isolated primes | 5945th | 5947th |
| Primes | 8002nd | 8004th |
| Pythagorean primes | 3989th | |
| Sexy primes (2nd member) | 2078th | |
| Sophie germain primes | 994th | |
| Roman numberals | ||
| Base 2 | 100111111101011112 | 100111111101111012 |
| Base 3 | 110110210023 | 110110211213 |
| Base 4 | 1033322334 | 1033323314 |
| Base 5 | 101043245 | 101044035 |
| Base 6 | 14305156 | 14305416 |
| Base 7 | 4604127 | 4604327 |
| Base 8 | 2376578 | 2376758 |
| Base 9 | 1342329 | 1342479 |
| Base 10 | 8183910 | 8185310 |
| Base 11 | 5653a11 | 5655211 |
| Base 12 | 3b43b12 | 3b45112 |
| Base 13 | 2b33413 | 2b34513 |
| Base 14 | 21b7914 | 21b8914 |
| Base 15 | 193ae15 | 193bd15 |
| Base 16 | 13faf16 | 13fbd16 |