Compare 81001 vs 81013
| Property | 81001 | 81013 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 810011 | 810131 |
| Prime factorization | 81001 | 81013 |
| Divisors count | 2 | 2 |
| Divisors | 1, 81001 | 1, 81013 |
| Number of properties | 5 | 8 |
| Additive primes | 3296th | |
| Cousin primes (1st member) | 1023rd | |
| Harmonic primes | 2993rd | |
| Isolated primes | 5887th | 5888th |
| Lucky primes | 1068th | |
| Primes | 7926th | 7927th |
| Prime triplets (1st member) | 426th | |
| Pythagorean primes | 3950th | 3951st |
| Sexy primes (1st member) | 2059th | |
| Super primes | 1001st | |
| Roman numberals | ||
| Base 2 | 100111100011010012 | 100111100011101012 |
| Base 3 | 110100100013 | 110100101113 |
| Base 4 | 1033012214 | 1033013114 |
| Base 5 | 100430015 | 100430235 |
| Base 6 | 14230016 | 14230216 |
| Base 7 | 4551047 | 4551227 |
| Base 8 | 2361518 | 2361658 |
| Base 9 | 1331019 | 1331149 |
| Base 10 | 8100110 | 8101310 |
| Base 11 | 5594811 | 5595911 |
| Base 12 | 3aa6112 | 3aa7112 |
| Base 13 | 2ab3b13 | 2ab4a13 |
| Base 14 | 2173b14 | 2174914 |
| Base 15 | 1900115 | 1900d15 |
| Base 16 | 13c6916 | 13c7516 |