Compare 1997 vs 2207
Property | 1997 | 2207 |
---|---|---|
Type | prime | prime |
Unique factors | 1 | 1 |
Total factors | 1 | 1 |
Prime factorization | 19971 | 22071 |
Prime factorization | 1997 | 2207 |
Divisors count | 2 | 2 |
Divisors | 1, 1997 | 1, 2207 |
Number of properties | 10 | 9 |
Additive primes | 173rd | |
Chen primes | 185th | 200th |
Cousin primes (2nd member) | 64th | 68th |
Good primes | 64th | |
Isolated primes | 196th | |
Left-truncatable primes | 62nd | |
Long primes | 128th | |
Lucas primes | 9th | |
Primes | 302nd | 329th |
Prime triplets (1st member) | 50th | |
Prime triplets (2nd member) | 49th | |
Pythagorean primes | 147th | |
Safe primes | 42nd | |
Sexy primes (1st member) | 129th | 136th |
Twin primes (1st member) | 61st | |
Roman numberals | MCMXCVII | MMCCVII |
Base 2 | 111110011012 | 1000100111112 |
Base 3 | 22012223 | 100002023 |
Base 4 | 1330314 | 2021334 |
Base 5 | 304425 | 323125 |
Base 6 | 131256 | 141156 |
Base 7 | 55527 | 63027 |
Base 8 | 37158 | 42378 |
Base 9 | 26589 | 30229 |
Base 10 | 199710 | 220710 |
Base 11 | 155611 | 172711 |
Base 12 | 11a512 | 133b12 |
Base 13 | ba813 | 100a13 |
Base 14 | a2914 | b3914 |
Base 15 | 8d215 | 9c215 |
Base 16 | 7cd16 | 89f16 |