Compare 172157 vs 172167
| Property | 172157 | 172167 |
|---|---|---|
| Type | prime | semiprime |
| Unique factors | 1 | 2 |
| Total factors | 1 | 2 |
| Prime factorization | 1721571 | 31 × 573891 |
| Prime factorization | 172157 | 3 × 57389 |
| Divisors count | 2 | 4 |
| Divisors | 1, 172157 | 1, 3, 57389, 172167 |
| Number of properties | 7 | 1 |
| Additive primes | 6414th | |
| Cousin primes (2nd member) | 1885th | |
| Happy primes | 2427th | |
| Isolated primes | 11886th | |
| Primes | 15679th | |
| Pythagorean primes | 7819th | |
| Semiprimes | 39251st | |
| Super primes | 1830th | |
| Roman numberals | ||
| Base 2 | 1010100000011111012 | 1010100000100001112 |
| Base 3 | 222020110123 | 222020111203 |
| Base 4 | 2220013314 | 2220020134 |
| Base 5 | 210021125 | 210021325 |
| Base 6 | 34050056 | 34050236 |
| Base 7 | 13146267 | 13146427 |
| Base 8 | 5201758 | 5202078 |
| Base 9 | 2821359 | 2821469 |
| Base 10 | 17215710 | 17216710 |
| Base 11 | 10838711 | 10839611 |
| Base 12 | 8376512 | 8377312 |
| Base 13 | 6048b13 | 6049813 |
| Base 14 | 46a4d14 | 46a5914 |
| Base 15 | 3602215 | 3602c15 |
| Base 16 | 2a07d16 | 2a08716 |