Compare 43 vs 197
| Property | 43 | 197 | 
|---|---|---|
| Type | prime | prime | 
| Unique factors | 1 | 1 | 
| Total factors | 1 | 1 | 
| Prime factorization | 431 | 1971 | 
| Prime factorization | 43 | 197 | 
| Divisors count | 2 | 2 | 
| Divisors | 1, 43 | 1, 197 | 
| Number of properties | 12 | 13 | 
| Additive primes | 9th | 26th | 
| Centered heptagonal primes | 1st | 3rd | 
| Chen primes | 35th | |
| Cousin primes (1st member) | 6th | |
| Cousin primes (2nd member) | 14th | |
| Left-truncatable primes | 9th | 20th | 
| Lucky primes | 6th | |
| Primes | 14th | 45th | 
| Prime quadruplets (3rd member) | 4th | |
| Prime triplets (2nd member) | 7th | 14th | 
| Prime triplets (3rd member) | 6th | 13th | 
| Pythagorean primes | 21st | |
| Sexy primes (2nd member) | 8th | 25th | 
| Sexy prime triplets (3rd member) | 5th | |
| Twin primes (1st member) | 15th | |
| Twin primes (2nd member) | 6th | |
| Ulam primes | 9th | |
| Wagstaff primes | 3rd | |
| Roman numberals | XLIII | CXCVII | 
| Base 2 | 1010112 | 110001012 | 
| Base 3 | 11213 | 210223 | 
| Base 4 | 2234 | 30114 | 
| Base 5 | 1335 | 12425 | 
| Base 6 | 1116 | 5256 | 
| Base 7 | 617 | 4017 | 
| Base 8 | 538 | 3058 | 
| Base 9 | 479 | 2389 | 
| Base 10 | 4310 | 19710 | 
| Base 11 | 3a11 | 16a11 | 
| Base 12 | 3712 | 14512 | 
| Base 13 | 3413 | 12213 | 
| Base 14 | 3114 | 10114 | 
| Base 15 | 2d15 | d215 | 
| Base 16 | 2b16 | c516 |