Compare 43 vs 71
| Property | 43 | 71 | 
|---|---|---|
| Type | prime | prime | 
| Unique factors | 1 | 1 | 
| Total factors | 1 | 1 | 
| Prime factorization | 431 | 711 | 
| Prime factorization | 43 | 71 | 
| Divisors count | 2 | 2 | 
| Divisors | 1, 43 | 1, 71 | 
| Number of properties | 12 | 13 | 
| Additive primes | 9th | |
| Centered heptagonal primes | 1st | 2nd | 
| Chen primes | 18th | |
| Class 1+ primes | 11th | |
| Cousin primes (1st member) | 6th | |
| Cousin primes (2nd member) | 7th | |
| Emirps | 5th | |
| Good primes | 10th | |
| Left-truncatable primes | 9th | |
| Lucky primes | 6th | |
| Multiplicative primes | 8th | |
| Pierpont primes of the 2nd kind | 11th | |
| Primes | 14th | 20th | 
| Prime triplets (2nd member) | 7th | 8th | 
| Prime triplets (3rd member) | 6th | |
| Right-truncatable primes | 11th | |
| Sexy primes (2nd member) | 8th | |
| Sexy prime triplets (3rd member) | 5th | |
| Solinas primes | 17th | |
| Twin primes (1st member) | 8th | |
| Twin primes (2nd member) | 6th | |
| Wagstaff primes | 3rd | |
| Roman numberals | XLIII | LXXI | 
| Base 2 | 1010112 | 10001112 | 
| Base 3 | 11213 | 21223 | 
| Base 4 | 2234 | 10134 | 
| Base 5 | 1335 | 2415 | 
| Base 6 | 1116 | 1556 | 
| Base 7 | 617 | 1317 | 
| Base 8 | 538 | 1078 | 
| Base 9 | 479 | 789 | 
| Base 10 | 4310 | 7110 | 
| Base 11 | 3a11 | 6511 | 
| Base 12 | 3712 | 5b12 | 
| Base 13 | 3413 | 5613 | 
| Base 14 | 3114 | 5114 | 
| Base 15 | 2d15 | 4b15 | 
| Base 16 | 2b16 | 4716 |