Compare 263 vs 313
| Property | 263 | 313 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 2631 | 3131 |
| Prime factorization | 263 | 313 |
| Divisors count | 2 | 2 |
| Divisors | 1, 263 | 1, 313 |
| Number of properties | 14 | 15 |
| Additive primes | 32nd | 37th |
| Centered square primes | 7th | |
| Chen primes | 43rd | |
| Cousin primes (1st member) | 19th | |
| Happy primes | 14th | 16th |
| Harmonic primes | 21st | |
| Isolated primes | 23rd | |
| Left-truncatable primes | 23rd | |
| Long primes | 22nd | 24th |
| Palindromic primes | 11th | |
| Primes | 56th | 65th |
| Prime triplets (2nd member) | 19th | |
| Prime triplets (3rd member) | 18th | |
| Pythagorean primes | 30th | |
| Right-truncatable primes | 18th | |
| Safe primes | 12th | |
| Sexy primes (1st member) | 32nd | |
| Sexy primes (2nd member) | 31st | 35th |
| Sexy prime quadrupletss (3rd member) | 5th | |
| Sexy prime triplets (2nd member) | 16th | |
| Sexy prime triplets (3rd member) | 15th | |
| Solinas primes | 32nd | |
| Twin primes (2nd member) | 20th | |
| Two-sided primes | 9th | |
| Roman numberals | CCLXIII | CCCXIII |
| Base 2 | 1000001112 | 1001110012 |
| Base 3 | 1002023 | 1021213 |
| Base 4 | 100134 | 103214 |
| Base 5 | 20235 | 22235 |
| Base 6 | 11156 | 12416 |
| Base 7 | 5247 | 6257 |
| Base 8 | 4078 | 4718 |
| Base 9 | 3229 | 3779 |
| Base 10 | 26310 | 31310 |
| Base 11 | 21a11 | 26511 |
| Base 12 | 19b12 | 22112 |
| Base 13 | 17313 | 1b113 |
| Base 14 | 14b14 | 18514 |
| Base 15 | 12815 | 15d15 |
| Base 16 | 10716 | 13916 |