Compare 127 vs 431
| Property | 127 | 431 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 1271 | 4311 |
| Prime factorization | 127 | 431 |
| Divisors count | 2 | 2 |
| Divisors | 1, 127 | 1, 431 |
| Number of properties | 13 | 10 |
| Chen primes | 25th | 59th |
| Class 1+ primes | 13th | 16th |
| Cousin primes (1st member) | 12th | |
| Cuban primes 1 | 5th | |
| Double mersenne primes | 2nd | |
| Good primes | 13th | 27th |
| Harmonic primes | 31st | |
| Isolated primes | 12th | |
| Lucky primes | 10th | |
| Mersenne primes | 4th | |
| Pierpont primes of the 2nd kind | 13th | 16th |
| Primes | 31st | 83rd |
| Solinas primes | 22nd | |
| Sophie germain primes | 23rd | |
| Super primes | 11th | 23rd |
| Twin primes (1st member) | 23rd | |
| Ulam primes | 12th | |
| Roman numberals | CXXVII | CDXXXI |
| Base 2 | 11111112 | 1101011112 |
| Base 3 | 112013 | 1202223 |
| Base 4 | 13334 | 122334 |
| Base 5 | 10025 | 32115 |
| Base 6 | 3316 | 15556 |
| Base 7 | 2417 | 11547 |
| Base 8 | 1778 | 6578 |
| Base 9 | 1519 | 5289 |
| Base 10 | 12710 | 43110 |
| Base 11 | 10611 | 36211 |
| Base 12 | a712 | 2bb12 |
| Base 13 | 9a13 | 27213 |
| Base 14 | 9114 | 22b14 |
| Base 15 | 8715 | 1db15 |
| Base 16 | 7f16 | 1af16 |