Compare 109 vs 131
| Property | 109 | 131 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 1091 | 1311 |
| Prime factorization | 109 | 131 |
| Divisors count | 2 | 2 |
| Divisors | 1, 109 | 1, 131 |
| Number of properties | 19 | 12 |
| Additive primes | 17th | |
| Centered triangular primes | 3rd | |
| Chen primes | 23rd | 26th |
| Cousin primes (1st member) | 11th | |
| Cousin primes (2nd member) | 12th | |
| Cuban primes 2 | 2nd | |
| Happy primes | 9th | |
| Isolated primes | 13th | |
| Long primes | 10th | 12th |
| Multiplicative primes | 10th | |
| Palindromic primes | 7th | |
| Pierpont primes | 11th | |
| Primes | 29th | 32nd |
| 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) | 20th | |
| Sexy primes (2nd member) | 18th | |
| Sexy prime triplets (3rd member) | 10th | |
| Solinas primes | 23rd | |
| Sophie germain primes | 12th | |
| Super primes | 10th | |
| Twin primes (2nd member) | 10th | |
| Ulam primes | 8th | |
| Roman numberals | CIX | CXXXI |
| Base 2 | 11011012 | 100000112 |
| Base 3 | 110013 | 112123 |
| Base 4 | 12314 | 20034 |
| Base 5 | 4145 | 10115 |
| Base 6 | 3016 | 3356 |
| Base 7 | 2147 | 2457 |
| Base 8 | 1558 | 2038 |
| Base 9 | 1319 | 1559 |
| Base 10 | 10910 | 13110 |
| Base 11 | 9a11 | 10a11 |
| Base 12 | 9112 | ab12 |
| Base 13 | 8513 | a113 |
| Base 14 | 7b14 | 9514 |
| Base 15 | 7415 | 8b15 |
| Base 16 | 6d16 | 8316 |