Compare 173 vs 251
| Property | 173 | 251 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 1731 | 2511 |
| Prime factorization | 173 | 251 |
| Divisors count | 2 | 2 |
| Divisors | 1, 173 | 1, 251 |
| Number of properties | 9 | 10 |
| Additive primes | 22nd | |
| Chen primes | 41st | |
| Good primes | 19th | |
| Harmonic primes | 20th | |
| Isolated primes | 17th | 21st |
| Left-truncatable primes | 19th | |
| Primes | 40th | 54th |
| Pythagorean primes | 18th | |
| Sexy primes (1st member) | 24th | 30th |
| Sexy primes (2nd member) | 23rd | |
| Sexy prime quadrupletss (1st member) | 5th | |
| Sexy prime triplets (1st member) | 15th | |
| Sexy prime triplets (2nd member) | 13th | |
| Solinas primes | 30th | |
| Sophie germain primes | 13th | 18th |
| Roman numberals | CLXXIII | CCLI |
| Base 2 | 101011012 | 111110112 |
| Base 3 | 201023 | 1000223 |
| Base 4 | 22314 | 33234 |
| Base 5 | 11435 | 20015 |
| Base 6 | 4456 | 10556 |
| Base 7 | 3357 | 5067 |
| Base 8 | 2558 | 3738 |
| Base 9 | 2129 | 3089 |
| Base 10 | 17310 | 25110 |
| Base 11 | 14811 | 20911 |
| Base 12 | 12512 | 18b12 |
| Base 13 | 10413 | 16413 |
| Base 14 | c514 | 13d14 |
| Base 15 | b815 | 11b15 |
| Base 16 | ad16 | fb16 |