Compare 81919 vs 130817
| Property | 81919 | 130817 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 819191 | 1308171 |
| Prime factorization | 81919 | 130817 |
| Divisors count | 2 | 2 |
| Divisors | 1, 81919 | 1, 130817 |
| Number of properties | 5 | 7 |
| Harmonic primes | 3022nd | 4607th |
| Isolated primes | 5950th | 9186th |
| Long primes | 4591st | |
| Primes | 8009th | 12233rd |
| Pythagorean primes | 6085th | |
| Sexy primes (2nd member) | 3035th | |
| Solinas primes | 112th | 115th |
| Super primes | 1008th | |
| Roman numberals | ||
| Base 2 | 100111111111111112 | 111111111000000012 |
| Base 3 | 110111010013 | 201221100023 |
| Base 4 | 1033333334 | 1333300014 |
| Base 5 | 101101345 | 131412325 |
| Base 6 | 14311316 | 24453456 |
| Base 7 | 4605557 | 10532517 |
| Base 8 | 2377778 | 3774018 |
| Base 9 | 1343319 | 2184029 |
| Base 10 | 8191910 | 13081710 |
| Base 11 | 5660211 | 8a31511 |
| Base 12 | 3b4a712 | 6385512 |
| Base 13 | 2b39613 | 4770b13 |
| Base 14 | 21bd514 | 3596114 |
| Base 15 | 1941415 | 28b6215 |
| Base 16 | 13fff16 | 1ff0116 |