Compare 81031 vs 81157
| Property | 81031 | 81157 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 810311 | 811571 |
| Prime factorization | 81031 | 81157 |
| Divisors count | 2 | 2 |
| Divisors | 1, 81031 | 1, 81157 |
| Number of properties | 5 | 6 |
| Additive primes | 3299th | |
| Chen primes | 3586th | |
| Harmonic primes | 2995th | 2997th |
| Isolated primes | 5890th | 5898th |
| Lucky primes | 1070th | |
| Primes | 7931st | 7943rd |
| Pythagorean primes | 3958th | |
| Sexy primes (1st member) | 2065th | |
| Roman numberals | ||
| Base 2 | 100111100100001112 | 100111101000001012 |
| Base 3 | 110100110113 | 110100222113 |
| Base 4 | 1033020134 | 1033100114 |
| Base 5 | 100431115 | 100441125 |
| Base 6 | 14230516 | 14234216 |
| Base 7 | 4551467 | 4554167 |
| Base 8 | 2362078 | 2364058 |
| Base 9 | 1331349 | 1332849 |
| Base 10 | 8103110 | 8115710 |
| Base 11 | 5597511 | 55a7a11 |
| Base 12 | 3aa8712 | 3ab7112 |
| Base 13 | 2ab6213 | 2ac2b13 |
| Base 14 | 2175d14 | 2180d14 |
| Base 15 | 1902115 | 190a715 |
| Base 16 | 13c8716 | 13d0516 |