Compare 991 vs 1433
| Property | 991 | 1433 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 9911 | 14331 |
| Prime factorization | 991 | 1433 |
| Divisors count | 2 | 2 |
| Divisors | 1, 991 | 1, 1433 |
| Number of properties | 10 | 12 |
| Additive primes | 89th | 123rd |
| Chen primes | 115th | |
| Cousin primes (2nd member) | 50th | |
| Emirps | 36th | |
| Isolated primes | 98th | 134th |
| Long primes | 88th | |
| Lucky primes | 42nd | |
| Primes | 167th | 227th |
| Prime triplets (3rd member) | 37th | |
| Pythagorean primes | 112th | |
| Sexy primes (1st member) | 74th | 99th |
| Sexy primes (2nd member) | 98th | |
| Sexy prime triplets (2nd member) | 37th | |
| Solinas primes | 43rd | |
| Super primes | 39th | 49th |
| Ulam primes | 18th | 20th |
| Roman numberals | CMXCI | MCDXXXIII |
| Base 2 | 11110111112 | 101100110012 |
| Base 3 | 11002013 | 12220023 |
| Base 4 | 331334 | 1121214 |
| Base 5 | 124315 | 212135 |
| Base 6 | 43316 | 103456 |
| Base 7 | 26147 | 41157 |
| Base 8 | 17378 | 26318 |
| Base 9 | 13219 | 18629 |
| Base 10 | 99110 | 143310 |
| Base 11 | 82111 | 109311 |
| Base 12 | 6a712 | 9b512 |
| Base 13 | 5b313 | 86313 |
| Base 14 | 50b14 | 74514 |
| Base 15 | 46115 | 65815 |
| Base 16 | 3df16 | 59916 |