Compare 81131 vs 81181
| Property | 81131 | 81181 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 811311 | 811811 |
| Prime factorization | 81131 | 81181 |
| Divisors count | 2 | 2 |
| Divisors | 1, 81131 | 1, 81181 |
| Number of properties | 4 | 7 |
| Additive primes | 3304th | |
| Chen primes | 3593rd | |
| Cuban primes 1 | 58th | |
| Harmonic primes | 2996th | |
| Isolated primes | 5897th | 5901st |
| Long primes | 3017th | |
| Primes | 7942nd | 7946th |
| Pythagorean primes | 3960th | |
| Sophie germain primes | 987th | |
| Roman numberals | ||
| Base 2 | 100111100111010112 | 100111101000111012 |
| Base 3 | 110100212123 | 110101002013 |
| Base 4 | 1033032234 | 1033101314 |
| Base 5 | 100440115 | 100442115 |
| Base 6 | 14233356 | 14235016 |
| Base 7 | 4553517 | 4554527 |
| Base 8 | 2363538 | 2364358 |
| Base 9 | 1332559 | 1333219 |
| Base 10 | 8113110 | 8118110 |
| Base 11 | 55a5611 | 55aa111 |
| Base 12 | 3ab4b12 | 3ab9112 |
| Base 13 | 2ac0b13 | 2ac4913 |
| Base 14 | 217d114 | 2182914 |
| Base 15 | 1908b15 | 190c115 |
| Base 16 | 13ceb16 | 13d1d16 |