Compare 426 vs 431
| Property | 426 | 431 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 3 | 1 |
| Prime factorization | 21 × 31 × 711 | 4311 |
| Prime factorization | 2 × 3 × 71 | 431 |
| Divisors count | 8 | 2 |
| Divisors | 1, 2, 3, 6, 71, 142, 213, 426 | 1, 431 |
| Number of properties | 0 | 10 |
| Chen primes | 59th | |
| Class 1+ primes | 16th | |
| Good primes | 27th | |
| Harmonic primes | 31st | |
| Pierpont primes of the 2nd kind | 16th | |
| Primes | 83rd | |
| Sophie germain primes | 23rd | |
| Super primes | 23rd | |
| Twin primes (1st member) | 23rd | |
| Ulam primes | 12th | |
| Roman numberals | CDXXVI | CDXXXI |
| Base 2 | 1101010102 | 1101011112 |
| Base 3 | 1202103 | 1202223 |
| Base 4 | 122224 | 122334 |
| Base 5 | 32015 | 32115 |
| Base 6 | 15506 | 15556 |
| Base 7 | 11467 | 11547 |
| Base 8 | 6528 | 6578 |
| Base 9 | 5239 | 5289 |
| Base 10 | 42610 | 43110 |
| Base 11 | 35811 | 36211 |
| Base 12 | 2b612 | 2bb12 |
| Base 13 | 26a13 | 27213 |
| Base 14 | 22614 | 22b14 |
| Base 15 | 1d615 | 1db15 |
| Base 16 | 1aa16 | 1af16 |