Compare 397 vs 647
Property | 397 | 647 |
---|---|---|
Type | prime | prime |
Unique factors | 1 | 1 |
Total factors | 1 | 1 |
Prime factorization | 3971 | 6471 |
Prime factorization | 397 | 647 |
Divisors count | 2 | 2 |
Divisors | 1, 397 | 1, 647 |
Number of properties | 8 | 15 |
Additive primes | 45th | 64th |
Chen primes | 82nd | |
Class 1+ primes | 17th | |
Cousin primes (1st member) | 22nd | |
Cousin primes (2nd member) | 29th | |
Cuban primes 1 | 8th | |
Happy primes | 21st | |
Isolated primes | 37th | 61st |
Left-truncatable primes | 31st | 39th |
Long primes | 43rd | |
Pierpont primes of the 2nd kind | 17th | |
Primes | 78th | 118th |
Prime triplets (3rd member) | 24th | |
Pythagorean primes | 37th | |
Sexy primes (1st member) | 58th | |
Sexy primes (2nd member) | 57th | |
Sexy prime quadrupletss (2nd member) | 7th | |
Sexy prime triplets (1st member) | 25th | |
Sexy prime triplets (2nd member) | 24th | |
Roman numberals | CCCXCVII | DCXLVII |
Base 2 | 1100011012 | 10100001112 |
Base 3 | 1122013 | 2122223 |
Base 4 | 120314 | 220134 |
Base 5 | 30425 | 100425 |
Base 6 | 15016 | 25556 |
Base 7 | 11057 | 16137 |
Base 8 | 6158 | 12078 |
Base 9 | 4819 | 7889 |
Base 10 | 39710 | 64710 |
Base 11 | 33111 | 53911 |
Base 12 | 29112 | 45b12 |
Base 13 | 24713 | 3aa13 |
Base 14 | 20514 | 34314 |
Base 15 | 1b715 | 2d215 |
Base 16 | 18d16 | 28716 |