Compare 131 vs 193
| Property | 131 | 193 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 1311 | 1931 |
| Prime factorization | 131 | 193 |
| Divisors count | 2 | 2 |
| Divisors | 1, 131 | 1, 193 |
| Number of properties | 12 | 18 |
| Additive primes | 17th | 25th |
| Chen primes | 26th | |
| Cousin primes (1st member) | 14th | |
| Cousin primes (2nd member) | 12th | |
| Cuban primes 2 | 3rd | |
| Happy primes | 12th | |
| Harmonic primes | 16th | |
| Isolated primes | 13th | |
| Long primes | 12th | 17th |
| Lucky primes | 13th | |
| Multiplicative primes | 10th | |
| Palindromic primes | 7th | |
| Pierpont primes | 13th | |
| Primes | 32nd | 44th |
| Prime quadruplets (2nd member) | 4th | |
| Prime triplets (1st member) | 14th | |
| Prime triplets (2nd member) | 13th | |
| Proth primes | 8th | |
| Pythagorean primes | 20th | |
| Sexy primes (1st member) | 20th | 26th |
| Solinas primes | 23rd | 26th |
| Sophie germain primes | 12th | |
| Thabit primes of the 2nd kind | 4th | |
| Twin primes (2nd member) | 14th | |
| Ulam primes | 8th | |
| Roman numberals | CXXXI | CXCIII |
| Base 2 | 100000112 | 110000012 |
| Base 3 | 112123 | 210113 |
| Base 4 | 20034 | 30014 |
| Base 5 | 10115 | 12335 |
| Base 6 | 3356 | 5216 |
| Base 7 | 2457 | 3647 |
| Base 8 | 2038 | 3018 |
| Base 9 | 1559 | 2349 |
| Base 10 | 13110 | 19310 |
| Base 11 | 10a11 | 16611 |
| Base 12 | ab12 | 14112 |
| Base 13 | a113 | 11b13 |
| Base 14 | 9514 | db14 |
| Base 15 | 8b15 | cd15 |
| Base 16 | 8316 | c116 |