Compare 81919 vs 131071
| Property | 81919 | 131071 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 819191 | 1310711 |
| Prime factorization | 81919 | 131071 |
| Divisors count | 2 | 2 |
| Divisors | 1, 81919 | 1, 131071 |
| Number of properties | 5 | 10 |
| Additive primes | 5050th | |
| Chen primes | 5287th | |
| Class 1+ primes | 33rd | |
| Harmonic primes | 3022nd | |
| Isolated primes | 5950th | 9200th |
| Lucky primes | 1606th | |
| Mersenne primes | 6th | |
| Pierpont primes of the 2nd kind | 33rd | |
| Primes | 8009th | 12251st |
| Solinas primes | 112th | 119th |
| Super primes | 1008th | 1464th |
| Roman numberals | ||
| Base 2 | 100111111111111112 | 111111111111111112 |
| Base 3 | 110111010013 | 201222101113 |
| Base 4 | 1033333334 | 1333333334 |
| Base 5 | 101101345 | 131432415 |
| Base 6 | 14311316 | 24504516 |
| Base 7 | 4605557 | 10540637 |
| Base 8 | 2377778 | 3777778 |
| Base 9 | 1343319 | 2187149 |
| Base 10 | 8191910 | 13107110 |
| Base 11 | 5660211 | 8a52611 |
| Base 12 | 3b4a712 | 63a2712 |
| Base 13 | 2b39613 | 4787513 |
| Base 14 | 21bd514 | 35aa314 |
| Base 15 | 1941415 | 28c8115 |
| Base 16 | 13fff16 | 1ffff16 |