Compare 271 vs 991
| Property | 271 | 991 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 2711 | 9911 |
| Prime factorization | 271 | 991 |
| Divisors count | 2 | 2 |
| Divisors | 1, 271 | 1, 991 |
| Number of properties | 6 | 10 |
| Additive primes | 89th | |
| Chen primes | 115th | |
| Cuban primes 1 | 6th | |
| Emirps | 36th | |
| Isolated primes | 98th | |
| Lucky primes | 42nd | |
| Primes | 58th | 167th |
| Sexy primes (1st member) | 33rd | 74th |
| Sexy prime triplets (1st member) | 17th | |
| Solinas primes | 33rd | 43rd |
| Super primes | 39th | |
| Twin primes (2nd member) | 18th | |
| Ulam primes | 18th | |
| Roman numberals | CCLXXI | CMXCI |
| Base 2 | 1000011112 | 11110111112 |
| Base 3 | 1010013 | 11002013 |
| Base 4 | 100334 | 331334 |
| Base 5 | 20415 | 124315 |
| Base 6 | 11316 | 43316 |
| Base 7 | 5357 | 26147 |
| Base 8 | 4178 | 17378 |
| Base 9 | 3319 | 13219 |
| Base 10 | 27110 | 99110 |
| Base 11 | 22711 | 82111 |
| Base 12 | 1a712 | 6a712 |
| Base 13 | 17b13 | 5b313 |
| Base 14 | 15514 | 50b14 |
| Base 15 | 13115 | 46115 |
| Base 16 | 10f16 | 3df16 |