Compare 8191 vs 12289
| Property | 8191 | 12289 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 81911 | 122891 |
| Prime factorization | 8191 | 12289 |
| Divisors count | 2 | 2 |
| Divisors | 1, 8191 | 1, 12289 |
| Number of properties | 10 | 9 |
| Additive primes | 503rd | |
| Chen primes | 552nd | |
| Class 1+ primes | 25th | |
| Cuban primes 2 | 13th | |
| Emirps | 337th | |
| Harmonic primes | 377th | |
| Isolated primes | 675th | 989th |
| Lucky primes | 186th | |
| Mersenne primes | 5th | |
| Pierpont primes | 27th | |
| Pierpont primes of the 2nd kind | 25th | |
| Primes | 1028th | 1470th |
| Proth primes | 42nd | |
| Pythagorean primes | 725th | |
| Solinas primes | 76th | 79th |
| Thabit primes of the 2nd kind | 6th | |
| Roman numberals | ||
| Base 2 | 11111111111112 | 110000000000012 |
| Base 3 | 1020201013 | 1212120113 |
| Base 4 | 13333334 | 30000014 |
| Base 5 | 2302315 | 3431245 |
| Base 6 | 1015316 | 1325216 |
| Base 7 | 326117 | 505547 |
| Base 8 | 177778 | 300018 |
| Base 9 | 122119 | 177649 |
| Base 10 | 819110 | 1228910 |
| Base 11 | 617711 | 926211 |
| Base 12 | 48a712 | 714112 |
| Base 13 | 396113 | 579413 |
| Base 14 | 2db114 | 469b14 |
| Base 15 | 266115 | 399415 |
| Base 16 | 1fff16 | 300116 |