Compare 43 vs 73
| Property | 43 | 73 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 431 | 731 |
| Prime factorization | 43 | 73 |
| Divisors count | 2 | 2 |
| Divisors | 1, 43 | 1, 73 |
| Number of properties | 12 | 17 |
| Additive primes | 9th | |
| Centered heptagonal primes | 1st | |
| Cousin primes (1st member) | 6th | |
| Emirps | 6th | |
| Harmonic primes | 7th | |
| Left-truncatable primes | 9th | 13th |
| Lucky primes | 6th | 8th |
| Pierpont primes | 9th | |
| Primes | 14th | 21st |
| Prime triplets (2nd member) | 7th | |
| Prime triplets (3rd member) | 6th | 8th |
| Pythagorean primes | 9th | |
| Right-truncatable primes | 12th | |
| Sexy primes (1st member) | 14th | |
| Sexy primes (2nd member) | 8th | 13th |
| Sexy prime quadrupletss (3rd member) | 4th | |
| Sexy prime triplets (2nd member) | 9th | |
| Sexy prime triplets (3rd member) | 5th | 8th |
| Solinas primes | 18th | |
| Twin primes (2nd member) | 6th | 8th |
| Two-sided primes | 8th | |
| Wagstaff primes | 3rd | |
| Roman numberals | XLIII | LXXIII |
| Base 2 | 1010112 | 10010012 |
| Base 3 | 11213 | 22013 |
| Base 4 | 2234 | 10214 |
| Base 5 | 1335 | 2435 |
| Base 6 | 1116 | 2016 |
| Base 7 | 617 | 1337 |
| Base 8 | 538 | 1118 |
| Base 9 | 479 | 819 |
| Base 10 | 4310 | 7310 |
| Base 11 | 3a11 | 6711 |
| Base 12 | 3712 | 6112 |
| Base 13 | 3413 | 5813 |
| Base 14 | 3114 | 5314 |
| Base 15 | 2d15 | 4d15 |
| Base 16 | 2b16 | 4916 |