Compare 171 vs 173
| Property | 171 | 173 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 2 | 1 |
| Total factors | 3 | 1 |
| Prime factorization | 32 × 191 | 1731 |
| Prime factorization | 3 × 3 × 19 | 173 |
| Divisors count | 6 | 2 |
| Divisors | 1, 3, 9, 19, 57, 171 | 1, 173 |
| Number of properties | 0 | 9 |
| Additive primes | 22nd | |
| Isolated primes | 17th | |
| Left-truncatable primes | 19th | |
| Primes | 40th | |
| Pythagorean primes | 18th | |
| Sexy primes (1st member) | 24th | |
| Sexy primes (2nd member) | 23rd | |
| Sexy prime triplets (2nd member) | 13th | |
| Sophie germain primes | 13th | |
| Roman numberals | CLXXI | CLXXIII |
| Base 2 | 101010112 | 101011012 |
| Base 3 | 201003 | 201023 |
| Base 4 | 22234 | 22314 |
| Base 5 | 11415 | 11435 |
| Base 6 | 4436 | 4456 |
| Base 7 | 3337 | 3357 |
| Base 8 | 2538 | 2558 |
| Base 9 | 2109 | 2129 |
| Base 10 | 17110 | 17310 |
| Base 11 | 14611 | 14811 |
| Base 12 | 12312 | 12512 |
| Base 13 | 10213 | 10413 |
| Base 14 | c314 | c514 |
| Base 15 | b615 | b815 |
| Base 16 | ab16 | ad16 |