Compare 81839 vs 81929
| Property | 81839 | 81929 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 818391 | 819291 |
| Prime factorization | 81839 | 81929 |
| Divisors count | 2 | 2 |
| Divisors | 1, 81839 | 1, 81929 |
| Number of properties | 6 | 7 |
| Additive primes | 3324th | 3326th |
| Chen primes | 3609th | 3612th |
| Happy primes | 1239th | |
| Harmonic primes | 3023rd | |
| Isolated primes | 5945th | |
| Primes | 8002nd | 8010th |
| Pythagorean primes | 3992nd | |
| Sophie germain primes | 994th | 995th |
| Twin primes (1st member) | 1031st | |
| Roman numberals | ||
| Base 2 | 100111111101011112 | 101000000000010012 |
| Base 3 | 110110210023 | 110111011023 |
| Base 4 | 1033322334 | 1100000214 |
| Base 5 | 101043245 | 101102045 |
| Base 6 | 14305156 | 14311456 |
| Base 7 | 4604127 | 4606017 |
| Base 8 | 2376578 | 2400118 |
| Base 9 | 1342329 | 1343429 |
| Base 10 | 8183910 | 8192910 |
| Base 11 | 5653a11 | 5661111 |
| Base 12 | 3b43b12 | 3b4b512 |
| Base 13 | 2b33413 | 2b3a313 |
| Base 14 | 21b7914 | 21c0114 |
| Base 15 | 193ae15 | 1941e15 |
| Base 16 | 13faf16 | 1400916 |