Compare 1989 vs 1997
Property | 1989 | 1997 |
---|---|---|
Type | composite number | prime |
Unique factors | 3 | 1 |
Total factors | 4 | 1 |
Prime factorization | 32 × 131 × 171 | 19971 |
Prime factorization | 3 × 3 × 13 × 17 | 1997 |
Divisors count | 12 | 2 |
Divisors | 1, 3, 9, 13, 17, 39, 51, 117, 153, 221, 663, 1989 | 1, 1997 |
Number of properties | 0 | 10 |
Chen primes | 185th | |
Cousin primes (2nd member) | 64th | |
Good primes | 64th | |
Left-truncatable primes | 62nd | |
Primes | 302nd | |
Prime triplets (1st member) | 50th | |
Prime triplets (2nd member) | 49th | |
Pythagorean primes | 147th | |
Sexy primes (1st member) | 129th | |
Twin primes (1st member) | 61st | |
Roman numberals | MCMLXXXIX | MCMXCVII |
Base 2 | 111110001012 | 111110011012 |
Base 3 | 22012003 | 22012223 |
Base 4 | 1330114 | 1330314 |
Base 5 | 304245 | 304425 |
Base 6 | 131136 | 131256 |
Base 7 | 55417 | 55527 |
Base 8 | 37058 | 37158 |
Base 9 | 26509 | 26589 |
Base 10 | 198910 | 199710 |
Base 11 | 154911 | 155611 |
Base 12 | 119912 | 11a512 |
Base 13 | ba013 | ba813 |
Base 14 | a2114 | a2914 |
Base 15 | 8c915 | 8d215 |
Base 16 | 7c516 | 7cd16 |