Compare 81131 vs 81137
| Property | 81131 | 81137 |
|---|---|---|
| Type | prime | composite number |
| Unique factors | 1 | 3 |
| Total factors | 1 | 3 |
| Prime factorization | 811311 | 71 × 671 × 1731 |
| Prime factorization | 81131 | 7 × 67 × 173 |
| Divisors count | 2 | 8 |
| Divisors | 1, 81131 | 1, 7, 67, 173, 469, 1211, 11591, 81137 |
| Number of properties | 4 | 0 |
| Harmonic primes | 2996th | |
| Isolated primes | 5897th | |
| Primes | 7942nd | |
| Sophie germain primes | 987th | |
| Roman numberals | ||
| Base 2 | 100111100111010112 | 100111100111100012 |
| Base 3 | 110100212123 | 110100220023 |
| Base 4 | 1033032234 | 1033033014 |
| Base 5 | 100440115 | 100440225 |
| Base 6 | 14233356 | 14233456 |
| Base 7 | 4553517 | 4553607 |
| Base 8 | 2363538 | 2363618 |
| Base 9 | 1332559 | 1332629 |
| Base 10 | 8113110 | 8113710 |
| Base 11 | 55a5611 | 55a6111 |
| Base 12 | 3ab4b12 | 3ab5512 |
| Base 13 | 2ac0b13 | 2ac1413 |
| Base 14 | 217d114 | 217d714 |
| Base 15 | 1908b15 | 1909215 |
| Base 16 | 13ceb16 | 13cf116 |