Compare 172 vs 178
| Property | 172 | 178 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 2 | 2 |
| Total factors | 3 | 2 |
| Prime factorization | 22 × 431 | 21 × 891 |
| Prime factorization | 2 × 2 × 43 | 2 × 89 |
| Divisors count | 6 | 4 |
| Divisors | 1, 2, 4, 43, 86, 172 | 1, 2, 89, 178 |
| Number of properties | 0 | 1 |
| Semiprimes | 58th | |
| Roman numberals | CLXXII | CLXXVIII |
| Base 2 | 101011002 | 101100102 |
| Base 3 | 201013 | 201213 |
| Base 4 | 22304 | 23024 |
| Base 5 | 11425 | 12035 |
| Base 6 | 4446 | 4546 |
| Base 7 | 3347 | 3437 |
| Base 8 | 2548 | 2628 |
| Base 9 | 2119 | 2179 |
| Base 10 | 17210 | 17810 |
| Base 11 | 14711 | 15211 |
| Base 12 | 12412 | 12a12 |
| Base 13 | 10313 | 10913 |
| Base 14 | c414 | ca14 |
| Base 15 | b715 | bd15 |
| Base 16 | ac16 | b216 |