Compare 647 vs 727
| Property | 647 | 727 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 6471 | 7271 |
| Prime factorization | 647 | 727 |
| Divisors count | 2 | 2 |
| Divisors | 1, 647 | 1, 727 |
| Number of properties | 15 | 8 |
| Additive primes | 64th | |
| Chen primes | 82nd | |
| Class 1+ primes | 17th | |
| Cousin primes (2nd member) | 29th | |
| Good primes | 36th | |
| Isolated primes | 61st | 70th |
| Left-truncatable primes | 39th | |
| Long primes | 43rd | 47th |
| Lucky primes | 35th | |
| Palindromic primes | 15th | |
| Pierpont primes of the 2nd kind | 17th | |
| Primes | 118th | 129th |
| Prime triplets (3rd member) | 24th | |
| Sexy primes (1st member) | 58th | 61st |
| Sexy primes (2nd member) | 57th | |
| Sexy prime quadrupletss (2nd member) | 7th | |
| Sexy prime triplets (1st member) | 25th | 26th |
| Sexy prime triplets (2nd member) | 24th | |
| Roman numberals | DCXLVII | DCCXXVII |
| Base 2 | 10100001112 | 10110101112 |
| Base 3 | 2122223 | 2222213 |
| Base 4 | 220134 | 231134 |
| Base 5 | 100425 | 104025 |
| Base 6 | 25556 | 32116 |
| Base 7 | 16137 | 20567 |
| Base 8 | 12078 | 13278 |
| Base 9 | 7889 | 8879 |
| Base 10 | 64710 | 72710 |
| Base 11 | 53911 | 60111 |
| Base 12 | 45b12 | 50712 |
| Base 13 | 3aa13 | 43c13 |
| Base 14 | 34314 | 39d14 |
| Base 15 | 2d215 | 33715 |
| Base 16 | 28716 | 2d716 |