Compare 81131 vs 81409
| Property | 81131 | 81409 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 811311 | 814091 |
| Prime factorization | 81131 | 81409 |
| Divisors count | 2 | 2 |
| Divisors | 1, 81131 | 1, 81409 |
| Number of properties | 4 | 5 |
| Harmonic primes | 2996th | 3007th |
| Isolated primes | 5897th | 5915th |
| Primes | 7942nd | 7966th |
| Proth primes | 92nd | |
| Pythagorean primes | 3969th | |
| Sophie germain primes | 987th | |
| Roman numberals | ||
| Base 2 | 100111100111010112 | 100111110000000012 |
| Base 3 | 110100212123 | 110102000113 |
| Base 4 | 1033032234 | 1033200014 |
| Base 5 | 100440115 | 101011145 |
| Base 6 | 14233356 | 14245216 |
| Base 7 | 4553517 | 4562267 |
| Base 8 | 2363538 | 2370018 |
| Base 9 | 1332559 | 1336049 |
| Base 10 | 8113110 | 8140910 |
| Base 11 | 55a5611 | 5618911 |
| Base 12 | 3ab4b12 | 3b14112 |
| Base 13 | 2ac0b13 | 2b09313 |
| Base 14 | 217d114 | 2194d14 |
| Base 15 | 1908b15 | 191c415 |
| Base 16 | 13ceb16 | 13e0116 |