Compare 187 vs 197
Property | 187 | 197 |
---|---|---|
Type | semiprime | prime |
Unique factors | 2 | 1 |
Total factors | 2 | 1 |
Prime factorization | 111 × 171 | 1971 |
Prime factorization | 11 × 17 | 197 |
Divisors count | 4 | 2 |
Divisors | 1, 11, 17, 187 | 1, 197 |
Number of properties | 1 | 13 |
Additive primes | 26th | |
Centered heptagonal primes | 3rd | |
Chen primes | 35th | |
Cousin primes (2nd member) | 14th | |
Left-truncatable primes | 20th | |
Primes | 45th | |
Prime quadruplets (3rd member) | 4th | |
Prime triplets (2nd member) | 14th | |
Prime triplets (3rd member) | 13th | |
Pythagorean primes | 21st | |
Semiprimes | 61st | |
Sexy primes (2nd member) | 25th | |
Twin primes (1st member) | 15th | |
Ulam primes | 9th | |
Roman numberals | CLXXXVII | CXCVII |
Base 2 | 101110112 | 110001012 |
Base 3 | 202213 | 210223 |
Base 4 | 23234 | 30114 |
Base 5 | 12225 | 12425 |
Base 6 | 5116 | 5256 |
Base 7 | 3557 | 4017 |
Base 8 | 2738 | 3058 |
Base 9 | 2279 | 2389 |
Base 10 | 18710 | 19710 |
Base 11 | 16011 | 16a11 |
Base 12 | 13712 | 14512 |
Base 13 | 11513 | 12213 |
Base 14 | d514 | 10114 |
Base 15 | c715 | d215 |
Base 16 | bb16 | c516 |