Compare 173 vs 181
| Property | 173 | 181 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 1731 | 1811 |
| Prime factorization | 173 | 181 |
| Divisors count | 2 | 2 |
| Divisors | 1, 173 | 1, 181 |
| Number of properties | 9 | 8 |
| Additive primes | 22nd | |
| Centered square primes | 6th | |
| Chen primes | 33rd | |
| Dihedral primes | 5th | |
| Isolated primes | 17th | |
| Left-truncatable primes | 19th | |
| Long primes | 16th | |
| Palindromic primes | 9th | |
| Primes | 40th | 42nd |
| Pythagorean primes | 18th | 19th |
| Sexy primes (1st member) | 24th | |
| Sexy primes (2nd member) | 23rd | |
| Sexy prime triplets (2nd member) | 13th | |
| Sophie germain primes | 13th | |
| Twin primes (2nd member) | 13th | |
| Roman numberals | CLXXIII | CLXXXI |
| Base 2 | 101011012 | 101101012 |
| Base 3 | 201023 | 202013 |
| Base 4 | 22314 | 23114 |
| Base 5 | 11435 | 12115 |
| Base 6 | 4456 | 5016 |
| Base 7 | 3357 | 3467 |
| Base 8 | 2558 | 2658 |
| Base 9 | 2129 | 2219 |
| Base 10 | 17310 | 18110 |
| Base 11 | 14811 | 15511 |
| Base 12 | 12512 | 13112 |
| Base 13 | 10413 | 10c13 |
| Base 14 | c514 | cd14 |
| Base 15 | b815 | c115 |
| Base 16 | ad16 | b516 |