Compare 311 vs 317
| Property | 311 | 317 | 
|---|---|---|
| Type | prime | prime | 
| Unique factors | 1 | 1 | 
| Total factors | 1 | 1 | 
| Prime factorization | 3111 | 3171 | 
| Prime factorization | 311 | 317 | 
| Divisors count | 2 | 2 | 
| Divisors | 1, 311 | 1, 317 | 
| Number of properties | 13 | 13 | 
| Additive primes | 36th | 38th | 
| Chen primes | 48th | 49th | 
| Cousin primes (2nd member) | 18th | 19th | 
| Emirps | 16th | |
| Good primes | 23rd | |
| Harmonic primes | 26th | 27th | 
| Isolated primes | 27th | |
| Left-truncatable primes | 24th | |
| Multiplicative primes | 13th | |
| Primes | 64th | 66th | 
| Prime triplets (1st member) | 19th | |
| Prime triplets (2nd member) | 18th | |
| Prime triplets (3rd member) | 19th | |
| Pythagorean primes | 31st | |
| Restricted right-truncatable primes | 2nd | |
| Right-truncatable primes | 17th | 19th | 
| Sexy primes (1st member) | 36th | |
| Sexy primes (2nd member) | 36th | |
| Twin primes (1st member) | 20th | |
| Two-sided primes | 10th | |
| Roman numberals | CCCXI | CCCXVII | 
| Base 2 | 1001101112 | 1001111012 | 
| Base 3 | 1021123 | 1022023 | 
| Base 4 | 103134 | 103314 | 
| Base 5 | 22215 | 22325 | 
| Base 6 | 12356 | 12456 | 
| Base 7 | 6237 | 6327 | 
| Base 8 | 4678 | 4758 | 
| Base 9 | 3759 | 3829 | 
| Base 10 | 31110 | 31710 | 
| Base 11 | 26311 | 26911 | 
| Base 12 | 21b12 | 22512 | 
| Base 13 | 1ac13 | 1b513 | 
| Base 14 | 18314 | 18914 | 
| Base 15 | 15b15 | 16215 | 
| Base 16 | 13716 | 13d16 |