Compare 81124 vs 81131
| Property | 81124 | 81131 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 4 | 1 |
| Prime factorization | 22 × 171 × 11931 | 811311 |
| Prime factorization | 2 × 2 × 17 × 1193 | 81131 |
| Divisors count | 12 | 2 |
| Divisors | 1, 2, 4, 17, 34, 68, 1193, 2386, 4772, 20281, 40562, 81124 | 1, 81131 |
| Number of properties | 0 | 4 |
| Harmonic primes | 2996th | |
| Isolated primes | 5897th | |
| Primes | 7942nd | |
| Sophie germain primes | 987th | |
| Roman numberals | ||
| Base 2 | 100111100111001002 | 100111100111010112 |
| Base 3 | 110100211213 | 110100212123 |
| Base 4 | 1033032104 | 1033032234 |
| Base 5 | 100434445 | 100440115 |
| Base 6 | 14233246 | 14233356 |
| Base 7 | 4553417 | 4553517 |
| Base 8 | 2363448 | 2363538 |
| Base 9 | 1332479 | 1332559 |
| Base 10 | 8112410 | 8113110 |
| Base 11 | 55a4a11 | 55a5611 |
| Base 12 | 3ab4412 | 3ab4b12 |
| Base 13 | 2ac0413 | 2ac0b13 |
| Base 14 | 217c814 | 217d114 |
| Base 15 | 1908415 | 1908b15 |
| Base 16 | 13ce416 | 13ceb16 |