Compare 47 vs 431
| Property | 47 | 431 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 471 | 4311 |
| Prime factorization | 47 | 431 |
| Divisors count | 2 | 2 |
| Divisors | 1, 47 | 1, 431 |
| Number of properties | 21 | 10 |
| Additive primes | 10th | |
| Carol primes | 2nd | |
| Chen primes | 14th | 59th |
| Class 1+ primes | 9th | 16th |
| Cousin primes (2nd member) | 6th | |
| Good primes | 27th | |
| Harmonic primes | 31st | |
| Isolated primes | 4th | |
| Left-truncatable primes | 10th | |
| Long primes | 6th | |
| Lucas primes | 6th | |
| Pierpont primes of the 2nd kind | 9th | 16th |
| Primes | 15th | 83rd |
| Prime triplets (3rd member) | 7th | |
| Safe primes | 5th | |
| Sexy primes (1st member) | 10th | |
| Sexy primes (2nd member) | 9th | |
| Sexy prime quadrupletss (2nd member) | 3rd | |
| Sexy prime triplets (1st member) | 7th | |
| Sexy prime triplets (2nd member) | 6th | |
| Solinas primes | 13th | |
| Sophie germain primes | 23rd | |
| Super primes | 23rd | |
| Thabit primes | 5th | |
| Twin primes (1st member) | 23rd | |
| Ulam primes | 5th | 12th |
| Roman numberals | XLVII | CDXXXI |
| Base 2 | 1011112 | 1101011112 |
| Base 3 | 12023 | 1202223 |
| Base 4 | 2334 | 122334 |
| Base 5 | 1425 | 32115 |
| Base 6 | 1156 | 15556 |
| Base 7 | 657 | 11547 |
| Base 8 | 578 | 6578 |
| Base 9 | 529 | 5289 |
| Base 10 | 4710 | 43110 |
| Base 11 | 4311 | 36211 |
| Base 12 | 3b12 | 2bb12 |
| Base 13 | 3813 | 27213 |
| Base 14 | 3514 | 22b14 |
| Base 15 | 3215 | 1db15 |
| Base 16 | 2f16 | 1af16 |