Compare 81839 vs 81847
| Property | 81839 | 81847 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 818391 | 818471 |
| Prime factorization | 81839 | 81847 |
| Divisors count | 2 | 2 |
| Divisors | 1, 81839 | 1, 81847 |
| Number of properties | 6 | 5 |
| Additive primes | 3324th | |
| Chen primes | 3609th | 3610th |
| Happy primes | 1239th | |
| Isolated primes | 5945th | 5946th |
| Long primes | 3036th | |
| Primes | 8002nd | 8003rd |
| Sexy primes (1st member) | 2078th | |
| Sophie germain primes | 994th | |
| Roman numberals | ||
| Base 2 | 100111111101011112 | 100111111101101112 |
| Base 3 | 110110210023 | 110110211013 |
| Base 4 | 1033322334 | 1033323134 |
| Base 5 | 101043245 | 101043425 |
| Base 6 | 14305156 | 14305316 |
| Base 7 | 4604127 | 4604237 |
| Base 8 | 2376578 | 2376678 |
| Base 9 | 1342329 | 1342419 |
| Base 10 | 8183910 | 8184710 |
| Base 11 | 5653a11 | 5654711 |
| Base 12 | 3b43b12 | 3b44712 |
| Base 13 | 2b33413 | 2b33c13 |
| Base 14 | 21b7914 | 21b8314 |
| Base 15 | 193ae15 | 193b715 |
| Base 16 | 13faf16 | 13fb716 |