Compare 131 vs 263
| Property | 131 | 263 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 1311 | 2631 |
| Prime factorization | 131 | 263 |
| Divisors count | 2 | 2 |
| Divisors | 1, 131 | 1, 263 |
| Number of properties | 12 | 14 |
| Additive primes | 17th | 32nd |
| Chen primes | 26th | 43rd |
| Cousin primes (2nd member) | 12th | |
| Happy primes | 14th | |
| Harmonic primes | 21st | |
| Isolated primes | 13th | 23rd |
| Long primes | 12th | 22nd |
| Multiplicative primes | 10th | |
| Palindromic primes | 7th | |
| Primes | 32nd | 56th |
| Safe primes | 12th | |
| Sexy primes (1st member) | 20th | 32nd |
| Sexy primes (2nd member) | 31st | |
| Sexy prime quadrupletss (3rd member) | 5th | |
| Sexy prime triplets (2nd member) | 16th | |
| Sexy prime triplets (3rd member) | 15th | |
| Solinas primes | 23rd | 32nd |
| Sophie germain primes | 12th | |
| Ulam primes | 8th | |
| Roman numberals | CXXXI | CCLXIII |
| Base 2 | 100000112 | 1000001112 |
| Base 3 | 112123 | 1002023 |
| Base 4 | 20034 | 100134 |
| Base 5 | 10115 | 20235 |
| Base 6 | 3356 | 11156 |
| Base 7 | 2457 | 5247 |
| Base 8 | 2038 | 4078 |
| Base 9 | 1559 | 3229 |
| Base 10 | 13110 | 26310 |
| Base 11 | 10a11 | 21a11 |
| Base 12 | ab12 | 19b12 |
| Base 13 | a113 | 17313 |
| Base 14 | 9514 | 14b14 |
| Base 15 | 8b15 | 12815 |
| Base 16 | 8316 | 10716 |