Compare 81013 vs 81919
| Property | 81013 | 81919 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 810131 | 819191 |
| Prime factorization | 81013 | 81919 |
| Divisors count | 2 | 2 |
| Divisors | 1, 81013 | 1, 81919 |
| Number of properties | 8 | 5 |
| Additive primes | 3296th | |
| Cousin primes (1st member) | 1023rd | |
| Harmonic primes | 3022nd | |
| Isolated primes | 5888th | 5950th |
| Primes | 7927th | 8009th |
| Prime triplets (1st member) | 426th | |
| Pythagorean primes | 3951st | |
| Sexy primes (1st member) | 2059th | |
| Solinas primes | 112th | |
| Super primes | 1001st | 1008th |
| Roman numberals | ||
| Base 2 | 100111100011101012 | 100111111111111112 |
| Base 3 | 110100101113 | 110111010013 |
| Base 4 | 1033013114 | 1033333334 |
| Base 5 | 100430235 | 101101345 |
| Base 6 | 14230216 | 14311316 |
| Base 7 | 4551227 | 4605557 |
| Base 8 | 2361658 | 2377778 |
| Base 9 | 1331149 | 1343319 |
| Base 10 | 8101310 | 8191910 |
| Base 11 | 5595911 | 5660211 |
| Base 12 | 3aa7112 | 3b4a712 |
| Base 13 | 2ab4a13 | 2b39613 |
| Base 14 | 2174914 | 21bd514 |
| Base 15 | 1900d15 | 1941415 |
| Base 16 | 13c7516 | 13fff16 |