Compare 81001 vs 81131
| Property | 81001 | 81131 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 810011 | 811311 |
| Prime factorization | 81001 | 81131 |
| Divisors count | 2 | 2 |
| Divisors | 1, 81001 | 1, 81131 |
| Number of properties | 5 | 4 |
| Harmonic primes | 2993rd | 2996th |
| Isolated primes | 5887th | 5897th |
| Lucky primes | 1068th | |
| Primes | 7926th | 7942nd |
| Pythagorean primes | 3950th | |
| Sophie germain primes | 987th | |
| Roman numberals | ||
| Base 2 | 100111100011010012 | 100111100111010112 |
| Base 3 | 110100100013 | 110100212123 |
| Base 4 | 1033012214 | 1033032234 |
| Base 5 | 100430015 | 100440115 |
| Base 6 | 14230016 | 14233356 |
| Base 7 | 4551047 | 4553517 |
| Base 8 | 2361518 | 2363538 |
| Base 9 | 1331019 | 1332559 |
| Base 10 | 8100110 | 8113110 |
| Base 11 | 5594811 | 55a5611 |
| Base 12 | 3aa6112 | 3ab4b12 |
| Base 13 | 2ab3b13 | 2ac0b13 |
| Base 14 | 2173b14 | 217d114 |
| Base 15 | 1900115 | 1908b15 |
| Base 16 | 13c6916 | 13ceb16 |