Compare 173 vs 180
| Property | 173 | 180 |
|---|---|---|
| Type | prime | composite number |
| Unique factors | 1 | 3 |
| Total factors | 1 | 5 |
| Prime factorization | 1731 | 22 × 32 × 51 |
| Prime factorization | 173 | 2 × 2 × 3 × 3 × 5 |
| Divisors count | 2 | 18 |
| Divisors | 1, 173 | 1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180 |
| Number of properties | 9 | 0 |
| 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 | CLXXIII | CLXXX |
| Base 2 | 101011012 | 101101002 |
| Base 3 | 201023 | 202003 |
| Base 4 | 22314 | 23104 |
| Base 5 | 11435 | 12105 |
| Base 6 | 4456 | 5006 |
| Base 7 | 3357 | 3457 |
| Base 8 | 2558 | 2648 |
| Base 9 | 2129 | 2209 |
| Base 10 | 17310 | 18010 |
| Base 11 | 14811 | 15411 |
| Base 12 | 12512 | 13012 |
| Base 13 | 10413 | 10b13 |
| Base 14 | c514 | cc14 |
| Base 15 | b815 | c015 |
| Base 16 | ad16 | b416 |