Compare 81131 vs 81331
| Property | 81131 | 81331 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 811311 | 813311 |
| Prime factorization | 81131 | 81331 |
| Divisors count | 2 | 2 |
| Divisors | 1, 81131 | 1, 81331 |
| Number of properties | 4 | 3 |
| Harmonic primes | 2996th | 3005th |
| Isolated primes | 5897th | 5909th |
| Primes | 7942nd | 7958th |
| Sophie germain primes | 987th | |
| Roman numberals | ||
| Base 2 | 100111100111010112 | 100111101101100112 |
| Base 3 | 110100212123 | 110101200213 |
| Base 4 | 1033032234 | 1033123034 |
| Base 5 | 100440115 | 101003115 |
| Base 6 | 14233356 | 14243116 |
| Base 7 | 4553517 | 4560557 |
| Base 8 | 2363538 | 2366638 |
| Base 9 | 1332559 | 1335079 |
| Base 10 | 8113110 | 8133110 |
| Base 11 | 55a5611 | 5611811 |
| Base 12 | 3ab4b12 | 3b09712 |
| Base 13 | 2ac0b13 | 2b03313 |
| Base 14 | 217d114 | 218d514 |
| Base 15 | 1908b15 | 1917115 |
| Base 16 | 13ceb16 | 13db316 |