Compare 191 vs 1871
Property | 191 | 1871 |
---|---|---|
Type | prime | prime |
Unique factors | 1 | 1 |
Total factors | 1 | 1 |
Prime factorization | 1911 | 18711 |
Prime factorization | 191 | 1871 |
Divisors count | 2 | 2 |
Divisors | 1, 191 | 1, 1871 |
Number of properties | 16 | 11 |
Additive primes | 24th | 151st |
Chen primes | 34th | 176th |
Class 1+ primes | 14th | |
Cousin primes (2nd member) | 62nd | |
Good primes | 16th | 60th |
Harmonic primes | 15th | |
Palindromic primes | 10th | |
Pierpont primes of the 2nd kind | 14th | |
Primes | 43rd | 286th |
Prime quadruplets (1st member) | 4th | 7th |
Prime quintuplet 1s (2nd member) | 3rd | |
Prime triplets (1st member) | 13th | 47th |
Prime triplets (2nd member) | 46th | |
Sexy primes (1st member) | 25th | 122nd |
Solinas primes | 25th | |
Sophie germain primes | 15th | |
Super primes | 14th | |
Thabit primes | 6th | |
Twin primes (1st member) | 14th | 57th |
Roman numberals | CXCI | MDCCCLXXI |
Base 2 | 101111112 | 111010011112 |
Base 3 | 210023 | 21200223 |
Base 4 | 23334 | 1310334 |
Base 5 | 12315 | 244415 |
Base 6 | 5156 | 123556 |
Base 7 | 3627 | 53127 |
Base 8 | 2778 | 35178 |
Base 9 | 2329 | 25089 |
Base 10 | 19110 | 187110 |
Base 11 | 16411 | 145111 |
Base 12 | 13b12 | 10bb12 |
Base 13 | 11913 | b0c13 |
Base 14 | d914 | 97914 |
Base 15 | cb15 | 84b15 |
Base 16 | bf16 | 74f16 |