Compare 73 vs 137
| Property | 73 | 137 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 731 | 1371 |
| Prime factorization | 73 | 137 |
| Divisors count | 2 | 2 |
| Divisors | 1, 73 | 1, 137 |
| Number of properties | 17 | 8 |
| Additive primes | 18th | |
| Chen primes | 27th | |
| Emirps | 6th | |
| Harmonic primes | 7th | |
| Left-truncatable primes | 13th | 17th |
| Lucky primes | 8th | |
| Pierpont primes | 9th | |
| Primes | 21st | 33rd |
| Prime triplets (3rd member) | 8th | |
| Pythagorean primes | 9th | 15th |
| Right-truncatable primes | 12th | |
| Sexy primes (1st member) | 14th | |
| Sexy primes (2nd member) | 13th | 20th |
| Sexy prime quadrupletss (3rd member) | 4th | |
| Sexy prime triplets (2nd member) | 9th | |
| Sexy prime triplets (3rd member) | 8th | |
| Solinas primes | 18th | 24th |
| Twin primes (1st member) | 11th | |
| Twin primes (2nd member) | 8th | |
| Two-sided primes | 8th | |
| Roman numberals | LXXIII | CXXXVII |
| Base 2 | 10010012 | 100010012 |
| Base 3 | 22013 | 120023 |
| Base 4 | 10214 | 20214 |
| Base 5 | 2435 | 10225 |
| Base 6 | 2016 | 3456 |
| Base 7 | 1337 | 2547 |
| Base 8 | 1118 | 2118 |
| Base 9 | 819 | 1629 |
| Base 10 | 7310 | 13710 |
| Base 11 | 6711 | 11511 |
| Base 12 | 6112 | b512 |
| Base 13 | 5813 | a713 |
| Base 14 | 5314 | 9b14 |
| Base 15 | 4d15 | 9215 |
| Base 16 | 4916 | 8916 |