Compare 81001 vs 81331
| Property | 81001 | 81331 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 810011 | 813311 |
| Prime factorization | 81001 | 81331 |
| Divisors count | 2 | 2 |
| Divisors | 1, 81001 | 1, 81331 |
| Number of properties | 5 | 3 |
| Harmonic primes | 2993rd | 3005th |
| Isolated primes | 5887th | 5909th |
| Lucky primes | 1068th | |
| Primes | 7926th | 7958th |
| Pythagorean primes | 3950th | |
| Roman numberals | ||
| Base 2 | 100111100011010012 | 100111101101100112 |
| Base 3 | 110100100013 | 110101200213 |
| Base 4 | 1033012214 | 1033123034 |
| Base 5 | 100430015 | 101003115 |
| Base 6 | 14230016 | 14243116 |
| Base 7 | 4551047 | 4560557 |
| Base 8 | 2361518 | 2366638 |
| Base 9 | 1331019 | 1335079 |
| Base 10 | 8100110 | 8133110 |
| Base 11 | 5594811 | 5611811 |
| Base 12 | 3aa6112 | 3b09712 |
| Base 13 | 2ab3b13 | 2b03313 |
| Base 14 | 2173b14 | 218d514 |
| Base 15 | 1900115 | 1917115 |
| Base 16 | 13c6916 | 13db316 |