Compare 347 vs 1087
| Property | 347 | 1087 | 
|---|---|---|
| Type | prime | prime | 
| Unique factors | 1 | 1 | 
| Total factors | 1 | 1 | 
| Prime factorization | 3471 | 10871 | 
| Prime factorization | 347 | 1087 | 
| Divisors count | 2 | 2 | 
| Divisors | 1, 347 | 1, 1087 | 
| Number of properties | 10 | 11 | 
| Chen primes | 51st | |
| Cousin primes (1st member) | 43rd | |
| Emirps | 18th | |
| Good primes | 25th | 47th | 
| Isolated primes | 104th | |
| Kynea primes | 5th | |
| Left-truncatable primes | 26th | |
| Long primes | 67th | |
| Lucky primes | 47th | |
| Primes | 69th | 181st | 
| Prime triplets (1st member) | 20th | 31st | 
| Safe primes | 13th | |
| Sexy primes (1st member) | 38th | 78th | 
| Sexy prime triplets (1st member) | 18th | |
| Solinas primes | 50th | |
| Super primes | 42nd | |
| Twin primes (1st member) | 21st | |
| Roman numberals | CCCXLVII | MLXXXVII | 
| Base 2 | 1010110112 | 100001111112 | 
| Base 3 | 1102123 | 11110213 | 
| Base 4 | 111234 | 1003334 | 
| Base 5 | 23425 | 133225 | 
| Base 6 | 13356 | 50116 | 
| Base 7 | 10047 | 31127 | 
| Base 8 | 5338 | 20778 | 
| Base 9 | 4259 | 14379 | 
| Base 10 | 34710 | 108710 | 
| Base 11 | 29611 | 8a911 | 
| Base 12 | 24b12 | 76712 | 
| Base 13 | 20913 | 65813 | 
| Base 14 | 1ab14 | 57914 | 
| Base 15 | 18215 | 4c715 | 
| Base 16 | 15b16 | 43f16 |