Compare 109 vs 331
| Property | 109 | 331 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 1091 | 3311 |
| Prime factorization | 109 | 331 |
| Divisors count | 2 | 2 |
| Divisors | 1, 109 | 1, 331 |
| Number of properties | 19 | 10 |
| Additive primes | 39th | |
| Centered triangular primes | 3rd | |
| Chen primes | 23rd | |
| Cousin primes (1st member) | 11th | |
| Cuban primes 1 | 7th | |
| Cuban primes 2 | 2nd | |
| Good primes | 24th | |
| Happy primes | 9th | 17th |
| Harmonic primes | 28th | |
| Isolated primes | 28th | |
| Long primes | 10th | |
| Lucky primes | 19th | |
| Pierpont primes | 11th | |
| Primes | 29th | 67th |
| Prime quadruplets (4th member) | 3rd | |
| Prime quintuplet 1s (5th member) | 2nd | |
| Prime quintuplet 2s (4th member) | 3rd | |
| Prime sextuplets (5th member) | 2nd | |
| Prime triplets (2nd member) | 12th | |
| Prime triplets (3rd member) | 11th | |
| Pythagorean primes | 13th | |
| Sexy primes (1st member) | 37th | |
| Sexy primes (2nd member) | 18th | |
| Sexy prime triplets (3rd member) | 10th | |
| Super primes | 10th | 19th |
| Twin primes (2nd member) | 10th | |
| Roman numberals | CIX | CCCXXXI |
| Base 2 | 11011012 | 1010010112 |
| Base 3 | 110013 | 1100213 |
| Base 4 | 12314 | 110234 |
| Base 5 | 4145 | 23115 |
| Base 6 | 3016 | 13116 |
| Base 7 | 2147 | 6527 |
| Base 8 | 1558 | 5138 |
| Base 9 | 1319 | 4079 |
| Base 10 | 10910 | 33110 |
| Base 11 | 9a11 | 28111 |
| Base 12 | 9112 | 23712 |
| Base 13 | 8513 | 1c613 |
| Base 14 | 7b14 | 19914 |
| Base 15 | 7415 | 17115 |
| Base 16 | 6d16 | 14b16 |