Compare 1997 vs 1999
Property | 1997 | 1999 |
---|---|---|
Type | prime | prime |
Unique factors | 1 | 1 |
Total factors | 1 | 1 |
Prime factorization | 19971 | 19991 |
Prime factorization | 1997 | 1999 |
Divisors count | 2 | 2 |
Divisors | 1, 1997 | 1, 1999 |
Number of properties | 10 | 8 |
Centered triangular primes | 10th | |
Chen primes | 185th | |
Cousin primes (1st member) | 65th | |
Cousin primes (2nd member) | 64th | |
Good primes | 64th | |
Left-truncatable primes | 62nd | |
Primes | 302nd | 303rd |
Prime triplets (1st member) | 50th | |
Prime triplets (2nd member) | 49th | 50th |
Prime triplets (3rd member) | 49th | |
Pythagorean primes | 147th | |
Sexy primes (1st member) | 129th | |
Sexy primes (2nd member) | 128th | |
Sexy prime triplets (3rd member) | 50th | |
Twin primes (1st member) | 61st | |
Twin primes (2nd member) | 61st | |
Roman numberals | MCMXCVII | MCMXCIX |
Base 2 | 111110011012 | 111110011112 |
Base 3 | 22012223 | 22020013 |
Base 4 | 1330314 | 1330334 |
Base 5 | 304425 | 304445 |
Base 6 | 131256 | 131316 |
Base 7 | 55527 | 55547 |
Base 8 | 37158 | 37178 |
Base 9 | 26589 | 26619 |
Base 10 | 199710 | 199910 |
Base 11 | 155611 | 155811 |
Base 12 | 11a512 | 11a712 |
Base 13 | ba813 | baa13 |
Base 14 | a2914 | a2b14 |
Base 15 | 8d215 | 8d415 |
Base 16 | 7cd16 | 7cf16 |