Compare 173 vs 281
| Property | 173 | 281 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 1731 | 2811 |
| Prime factorization | 173 | 281 |
| Divisors count | 2 | 2 |
| Divisors | 1, 173 | 1, 281 |
| Number of properties | 9 | 10 |
| Additive primes | 22nd | 34th |
| Centered decagonal primes | 7th | |
| Chen primes | 45th | |
| Cousin primes (2nd member) | 17th | |
| Harmonic primes | 23rd | |
| Isolated primes | 17th | |
| Left-truncatable primes | 19th | |
| Primes | 40th | 60th |
| Prime triplets (2nd member) | 17th | |
| Pythagorean primes | 18th | 28th |
| Sexy primes (1st member) | 24th | |
| Sexy primes (2nd member) | 23rd | |
| Sexy prime triplets (2nd member) | 13th | |
| Sophie germain primes | 13th | 19th |
| Twin primes (1st member) | 19th | |
| Roman numberals | CLXXIII | CCLXXXI |
| Base 2 | 101011012 | 1000110012 |
| Base 3 | 201023 | 1011023 |
| Base 4 | 22314 | 101214 |
| Base 5 | 11435 | 21115 |
| Base 6 | 4456 | 11456 |
| Base 7 | 3357 | 5517 |
| Base 8 | 2558 | 4318 |
| Base 9 | 2129 | 3429 |
| Base 10 | 17310 | 28110 |
| Base 11 | 14811 | 23611 |
| Base 12 | 12512 | 1b512 |
| Base 13 | 10413 | 18813 |
| Base 14 | c514 | 16114 |
| Base 15 | b815 | 13b15 |
| Base 16 | ad16 | 11916 |