Compare 431 vs 8191
| Property | 431 | 8191 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 4311 | 81911 |
| Prime factorization | 431 | 8191 |
| Divisors count | 2 | 2 |
| Divisors | 1, 431 | 1, 8191 |
| Number of properties | 10 | 10 |
| Additive primes | 503rd | |
| Chen primes | 59th | 552nd |
| Class 1+ primes | 16th | 25th |
| Good primes | 27th | |
| Harmonic primes | 31st | 377th |
| Isolated primes | 675th | |
| Lucky primes | 186th | |
| Mersenne primes | 5th | |
| Pierpont primes of the 2nd kind | 16th | 25th |
| Primes | 83rd | 1028th |
| Solinas primes | 76th | |
| Sophie germain primes | 23rd | |
| Super primes | 23rd | |
| Twin primes (1st member) | 23rd | |
| Ulam primes | 12th | |
| Roman numberals | CDXXXI | |
| Base 2 | 1101011112 | 11111111111112 |
| Base 3 | 1202223 | 1020201013 |
| Base 4 | 122334 | 13333334 |
| Base 5 | 32115 | 2302315 |
| Base 6 | 15556 | 1015316 |
| Base 7 | 11547 | 326117 |
| Base 8 | 6578 | 177778 |
| Base 9 | 5289 | 122119 |
| Base 10 | 43110 | 819110 |
| Base 11 | 36211 | 617711 |
| Base 12 | 2bb12 | 48a712 |
| Base 13 | 27213 | 396113 |
| Base 14 | 22b14 | 2db114 |
| Base 15 | 1db15 | 266115 |
| Base 16 | 1af16 | 1fff16 |