Compare 43 vs 151
| Property | 43 | 151 | 
|---|---|---|
| Type | prime | prime | 
| Unique factors | 1 | 1 | 
| Total factors | 1 | 1 | 
| Prime factorization | 431 | 1511 | 
| Prime factorization | 43 | 151 | 
| Divisors count | 2 | 2 | 
| Divisors | 1, 43 | 1, 151 | 
| Number of properties | 12 | 9 | 
| Additive primes | 9th | 20th | 
| Centered decagonal primes | 5th | |
| Centered heptagonal primes | 1st | |
| Cousin primes (1st member) | 6th | |
| Left-truncatable primes | 9th | |
| Lucky primes | 6th | 11th | 
| Multiplicative primes | 11th | |
| Palindromic primes | 8th | |
| Primes | 14th | 36th | 
| Prime triplets (2nd member) | 7th | |
| Prime triplets (3rd member) | 6th | |
| Sexy primes (1st member) | 21st | |
| Sexy primes (2nd member) | 8th | |
| Sexy prime triplets (1st member) | 12th | |
| Sexy prime triplets (3rd member) | 5th | |
| Twin primes (2nd member) | 6th | 12th | 
| Wagstaff primes | 3rd | |
| Roman numberals | XLIII | CLI | 
| Base 2 | 1010112 | 100101112 | 
| Base 3 | 11213 | 121213 | 
| Base 4 | 2234 | 21134 | 
| Base 5 | 1335 | 11015 | 
| Base 6 | 1116 | 4116 | 
| Base 7 | 617 | 3047 | 
| Base 8 | 538 | 2278 | 
| Base 9 | 479 | 1779 | 
| Base 10 | 4310 | 15110 | 
| Base 11 | 3a11 | 12811 | 
| Base 12 | 3712 | 10712 | 
| Base 13 | 3413 | b813 | 
| Base 14 | 3114 | ab14 | 
| Base 15 | 2d15 | a115 | 
| Base 16 | 2b16 | 9716 |