Compare 991 vs 1093
| Property | 991 | 1093 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 9911 | 10931 |
| Prime factorization | 991 | 1093 |
| Divisors count | 2 | 2 |
| Divisors | 1, 991 | 1, 1093 |
| Number of properties | 10 | 10 |
| Additive primes | 89th | 97th |
| Chen primes | 115th | |
| Cousin primes (1st member) | 44th | |
| Emirps | 36th | |
| Happy primes | 39th | |
| Isolated primes | 98th | |
| Lucky primes | 42nd | 48th |
| Primes | 167th | 183rd |
| Prime triplets (2nd member) | 32nd | |
| Prime triplets (3rd member) | 31st | |
| Pythagorean primes | 88th | |
| Sexy primes (1st member) | 74th | |
| Sexy primes (2nd member) | 78th | |
| Solinas primes | 43rd | |
| Super primes | 39th | |
| Twin primes (2nd member) | 40th | |
| Ulam primes | 18th | |
| Roman numberals | CMXCI | MXCIII |
| Base 2 | 11110111112 | 100010001012 |
| Base 3 | 11002013 | 11111113 |
| Base 4 | 331334 | 1010114 |
| Base 5 | 124315 | 133335 |
| Base 6 | 43316 | 50216 |
| Base 7 | 26147 | 31217 |
| Base 8 | 17378 | 21058 |
| Base 9 | 13219 | 14449 |
| Base 10 | 99110 | 109310 |
| Base 11 | 82111 | 90411 |
| Base 12 | 6a712 | 77112 |
| Base 13 | 5b313 | 66113 |
| Base 14 | 50b14 | 58114 |
| Base 15 | 46115 | 4cd15 |
| Base 16 | 3df16 | 44516 |