Compare 81122 vs 81131
| Property | 81122 | 81131 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 3 | 1 |
| Prime factorization | 21 × 471 × 8631 | 811311 |
| Prime factorization | 2 × 47 × 863 | 81131 |
| Divisors count | 8 | 2 |
| Divisors | 1, 2, 47, 94, 863, 1726, 40561, 81122 | 1, 81131 |
| Number of properties | 0 | 4 |
| Harmonic primes | 2996th | |
| Isolated primes | 5897th | |
| Primes | 7942nd | |
| Sophie germain primes | 987th | |
| Roman numberals | ||
| Base 2 | 100111100111000102 | 100111100111010112 |
| Base 3 | 110100211123 | 110100212123 |
| Base 4 | 1033032024 | 1033032234 |
| Base 5 | 100434425 | 100440115 |
| Base 6 | 14233226 | 14233356 |
| Base 7 | 4553367 | 4553517 |
| Base 8 | 2363428 | 2363538 |
| Base 9 | 1332459 | 1332559 |
| Base 10 | 8112210 | 8113110 |
| Base 11 | 55a4811 | 55a5611 |
| Base 12 | 3ab4212 | 3ab4b12 |
| Base 13 | 2ac0213 | 2ac0b13 |
| Base 14 | 217c614 | 217d114 |
| Base 15 | 1908215 | 1908b15 |
| Base 16 | 13ce216 | 13ceb16 |