Compare 311 vs 347
| Property | 311 | 347 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 3111 | 3471 |
| Prime factorization | 311 | 347 |
| Divisors count | 2 | 2 |
| Divisors | 1, 311 | 1, 347 |
| Number of properties | 13 | 10 |
| Additive primes | 36th | |
| Chen primes | 48th | 51st |
| Cousin primes (2nd member) | 18th | |
| Emirps | 16th | 18th |
| Good primes | 23rd | 25th |
| Harmonic primes | 26th | |
| Left-truncatable primes | 26th | |
| Multiplicative primes | 13th | |
| Primes | 64th | 69th |
| Prime triplets (1st member) | 19th | 20th |
| Prime triplets (2nd member) | 18th | |
| Right-truncatable primes | 17th | |
| Safe primes | 13th | |
| Sexy primes (1st member) | 36th | 38th |
| Sexy prime triplets (1st member) | 18th | |
| Twin primes (1st member) | 20th | 21st |
| Roman numberals | CCCXI | CCCXLVII |
| Base 2 | 1001101112 | 1010110112 |
| Base 3 | 1021123 | 1102123 |
| Base 4 | 103134 | 111234 |
| Base 5 | 22215 | 23425 |
| Base 6 | 12356 | 13356 |
| Base 7 | 6237 | 10047 |
| Base 8 | 4678 | 5338 |
| Base 9 | 3759 | 4259 |
| Base 10 | 31110 | 34710 |
| Base 11 | 26311 | 29611 |
| Base 12 | 21b12 | 24b12 |
| Base 13 | 1ac13 | 20913 |
| Base 14 | 18314 | 1ab14 |
| Base 15 | 15b15 | 18215 |
| Base 16 | 13716 | 15b16 |