Compare 727 vs 991
| Property | 727 | 991 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 7271 | 9911 |
| Prime factorization | 727 | 991 |
| Divisors count | 2 | 2 |
| Divisors | 1, 727 | 1, 991 |
| Number of properties | 8 | 10 |
| Additive primes | 89th | |
| Chen primes | 115th | |
| Emirps | 36th | |
| Good primes | 36th | |
| Isolated primes | 70th | 98th |
| Long primes | 47th | |
| Lucky primes | 35th | 42nd |
| Palindromic primes | 15th | |
| Primes | 129th | 167th |
| Sexy primes (1st member) | 61st | 74th |
| Sexy prime triplets (1st member) | 26th | |
| Solinas primes | 43rd | |
| Super primes | 39th | |
| Ulam primes | 18th | |
| Roman numberals | DCCXXVII | CMXCI |
| Base 2 | 10110101112 | 11110111112 |
| Base 3 | 2222213 | 11002013 |
| Base 4 | 231134 | 331334 |
| Base 5 | 104025 | 124315 |
| Base 6 | 32116 | 43316 |
| Base 7 | 20567 | 26147 |
| Base 8 | 13278 | 17378 |
| Base 9 | 8879 | 13219 |
| Base 10 | 72710 | 99110 |
| Base 11 | 60111 | 82111 |
| Base 12 | 50712 | 6a712 |
| Base 13 | 43c13 | 5b313 |
| Base 14 | 39d14 | 50b14 |
| Base 15 | 33715 | 46115 |
| Base 16 | 2d716 | 3df16 |