Compare 97 vs 331
| Property | 97 | 331 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 971 | 3311 |
| Prime factorization | 97 | 331 |
| Divisors count | 2 | 2 |
| Divisors | 1, 97 | 1, 331 |
| Number of properties | 20 | 10 |
| Additive primes | 39th | |
| Cousin primes (1st member) | 9th | |
| Cuban primes 1 | 7th | |
| Emirps | 8th | |
| Good primes | 11th | 24th |
| Happy primes | 7th | 17th |
| Harmonic primes | 28th | |
| Isolated primes | 10th | 28th |
| Left-truncatable primes | 15th | |
| Long primes | 9th | |
| Lucky primes | 19th | |
| Pierpont primes | 10th | |
| Primes | 25th | 67th |
| Prime quintuplet 1s (1st member) | 2nd | |
| Prime sextuplets (1st member) | 2nd | |
| Prime triplets (1st member) | 9th | |
| Proth primes | 6th | |
| Pythagorean primes | 11th | |
| Quartan primes | 3rd | |
| Sexy primes (1st member) | 16th | 37th |
| Sexy prime triplets (1st member) | 10th | |
| Solinas primes | 20th | |
| Super primes | 19th | |
| Thabit primes of the 2nd kind | 3rd | |
| Ulam primes | 7th | |
| Roman numberals | XCVII | CCCXXXI |
| Base 2 | 11000012 | 1010010112 |
| Base 3 | 101213 | 1100213 |
| Base 4 | 12014 | 110234 |
| Base 5 | 3425 | 23115 |
| Base 6 | 2416 | 13116 |
| Base 7 | 1667 | 6527 |
| Base 8 | 1418 | 5138 |
| Base 9 | 1179 | 4079 |
| Base 10 | 9710 | 33110 |
| Base 11 | 8911 | 28111 |
| Base 12 | 8112 | 23712 |
| Base 13 | 7613 | 1c613 |
| Base 14 | 6d14 | 19914 |
| Base 15 | 6715 | 17115 |
| Base 16 | 6116 | 14b16 |