Compare 8081 vs 8191
| Property | 8081 | 8191 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 80811 | 81911 |
| Prime factorization | 8081 | 8191 |
| Divisors count | 2 | 2 |
| Divisors | 1, 8081 | 1, 8191 |
| Number of properties | 9 | 10 |
| Additive primes | 498th | 503rd |
| Chen primes | 546th | 552nd |
| Class 1+ primes | 25th | |
| Good primes | 149th | |
| Happy primes | 175th | |
| Harmonic primes | 377th | |
| Isolated primes | 664th | 675th |
| Lucky primes | 186th | |
| Mersenne primes | 5th | |
| Pierpont primes of the 2nd kind | 25th | |
| Primes | 1015th | 1028th |
| Pythagorean primes | 504th | |
| Sexy primes (1st member) | 347th | |
| Sexy prime triplets (1st member) | 109th | |
| Solinas primes | 76th | |
| Roman numberals | ||
| Base 2 | 11111100100012 | 11111111111112 |
| Base 3 | 1020020223 | 1020201013 |
| Base 4 | 13321014 | 13333334 |
| Base 5 | 2243115 | 2302315 |
| Base 6 | 1012256 | 1015316 |
| Base 7 | 323637 | 326117 |
| Base 8 | 176218 | 177778 |
| Base 9 | 120689 | 122119 |
| Base 10 | 808110 | 819110 |
| Base 11 | 608711 | 617711 |
| Base 12 | 481512 | 48a712 |
| Base 13 | 38a813 | 396113 |
| Base 14 | 2d3314 | 2db114 |
| Base 15 | 25db15 | 266115 |
| Base 16 | 1f9116 | 1fff16 |