Compare 81919 vs 147457
| Property | 81919 | 147457 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 819191 | 1474571 |
| Prime factorization | 81919 | 147457 |
| Divisors count | 2 | 2 |
| Divisors | 1, 81919 | 1, 147457 |
| Number of properties | 5 | 10 |
| Harmonic primes | 3022nd | 5129th |
| Isolated primes | 5950th | 10287th |
| Long primes | 5087th | |
| Lucky primes | 1773rd | |
| Pierpont primes | 34th | |
| Primes | 8009th | 13632nd |
| Proth primes | 116th | |
| Pythagorean primes | 6799th | |
| Sexy primes (2nd member) | 3342nd | |
| Solinas primes | 112th | 121st |
| Super primes | 1008th | |
| Roman numberals | ||
| Base 2 | 100111111111111112 | 1001000000000000012 |
| Base 3 | 110111010013 | 211110211013 |
| Base 4 | 1033333334 | 2100000014 |
| Base 5 | 101101345 | 142043125 |
| Base 6 | 14311316 | 30544016 |
| Base 7 | 4605557 | 11526227 |
| Base 8 | 2377778 | 4400018 |
| Base 9 | 1343319 | 2442419 |
| Base 10 | 8191910 | 14745710 |
| Base 11 | 5660211 | a087211 |
| Base 12 | 3b4a712 | 7140112 |
| Base 13 | 2b39613 | 5216b13 |
| Base 14 | 21bd514 | 3ba4914 |
| Base 15 | 1941415 | 2da5715 |
| Base 16 | 13fff16 | 2400116 |