Compare 157 vs 197
Property | 157 | 197 |
---|---|---|
Type | prime | prime |
Unique factors | 1 | 1 |
Total factors | 1 | 1 |
Prime factorization | 1571 | 1971 |
Prime factorization | 157 | 197 |
Divisors count | 2 | 2 |
Divisors | 1, 157 | 1, 197 |
Number of properties | 11 | 13 |
Additive primes | 21st | 26th |
Centered heptagonal primes | 3rd | |
Chen primes | 30th | 35th |
Cousin primes (2nd member) | 14th | |
Emirps | 12th | |
Harmonic primes | 13th | |
Isolated primes | 14th | |
Left-truncatable primes | 20th | |
Primes | 37th | 45th |
Prime quadruplets (3rd member) | 4th | |
Prime triplets (2nd member) | 14th | |
Prime triplets (3rd member) | 13th | |
Pythagorean primes | 17th | 21st |
Sexy primes (1st member) | 22nd | |
Sexy primes (2nd member) | 21st | 25th |
Sexy prime triplets (2nd member) | 12th | |
Super primes | 12th | |
Twin primes (1st member) | 15th | |
Ulam primes | 9th | |
Roman numberals | CLVII | CXCVII |
Base 2 | 100111012 | 110001012 |
Base 3 | 122113 | 210223 |
Base 4 | 21314 | 30114 |
Base 5 | 11125 | 12425 |
Base 6 | 4216 | 5256 |
Base 7 | 3137 | 4017 |
Base 8 | 2358 | 3058 |
Base 9 | 1849 | 2389 |
Base 10 | 15710 | 19710 |
Base 11 | 13311 | 16a11 |
Base 12 | 11112 | 14512 |
Base 13 | c113 | 12213 |
Base 14 | b314 | 10114 |
Base 15 | a715 | d215 |
Base 16 | 9d16 | c516 |