Compare 67 vs 131
| Property | 67 | 131 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 671 | 1311 |
| Prime factorization | 67 | 131 |
| Divisors count | 2 | 2 |
| Divisors | 1, 67 | 1, 131 |
| Number of properties | 17 | 12 |
| Additive primes | 12th | 17th |
| Chen primes | 17th | 26th |
| Cousin primes (1st member) | 7th | |
| Cousin primes (2nd member) | 12th | |
| Good primes | 9th | |
| Harmonic primes | 6th | |
| Isolated primes | 6th | 13th |
| Left-truncatable primes | 12th | |
| Long primes | 12th | |
| Lucky primes | 7th | |
| Multiplicative primes | 10th | |
| Palindromic primes | 7th | |
| Primes | 19th | 32nd |
| Prime triplets (1st member) | 8th | |
| Sexy primes (1st member) | 13th | 20th |
| Sexy primes (2nd member) | 12th | |
| Sexy prime quadrupletss (2nd member) | 4th | |
| Sexy prime triplets (1st member) | 9th | |
| Sexy prime triplets (2nd member) | 8th | |
| Solinas primes | 16th | 23rd |
| Sophie germain primes | 12th | |
| Super primes | 8th | |
| Ulam primes | 8th | |
| Roman numberals | LXVII | CXXXI |
| Base 2 | 10000112 | 100000112 |
| Base 3 | 21113 | 112123 |
| Base 4 | 10034 | 20034 |
| Base 5 | 2325 | 10115 |
| Base 6 | 1516 | 3356 |
| Base 7 | 1247 | 2457 |
| Base 8 | 1038 | 2038 |
| Base 9 | 749 | 1559 |
| Base 10 | 6710 | 13110 |
| Base 11 | 6111 | 10a11 |
| Base 12 | 5712 | ab12 |
| Base 13 | 5213 | a113 |
| Base 14 | 4b14 | 9514 |
| Base 15 | 4715 | 8b15 |
| Base 16 | 4316 | 8316 |