Compare 78157 vs 78161
| Property | 78157 | 78161 |
|---|---|---|
| Type | prime | semiprime |
| Unique factors | 1 | 2 |
| Total factors | 1 | 2 |
| Prime factorization | 781571 | 471 × 16631 |
| Prime factorization | 78157 | 47 × 1663 |
| Divisors count | 2 | 4 |
| Divisors | 1, 78157 | 1, 47, 1663, 78161 |
| Number of properties | 7 | 1 |
| Chen primes | 3474th | |
| Happy primes | 1196th | |
| Isolated primes | 5699th | |
| Primes | 7674th | |
| Pythagorean primes | 3819th | |
| Semiprimes | 18508th | |
| Sexy primes (1st member) | 1999th | |
| Ulam primes | 560th | |
| Roman numberals | ||
| Base 2 | 100110001010011012 | 100110001010100012 |
| Base 3 | 102220122013 | 102220122123 |
| Base 4 | 1030110314 | 1030111014 |
| Base 5 | 100001125 | 100001215 |
| Base 6 | 14015016 | 14015056 |
| Base 7 | 4436027 | 4436067 |
| Base 8 | 2305158 | 2305218 |
| Base 9 | 1281819 | 1281859 |
| Base 10 | 7815710 | 7816110 |
| Base 11 | 537a211 | 537a611 |
| Base 12 | 3929112 | 3929512 |
| Base 13 | 2976113 | 2976513 |
| Base 14 | 206a914 | 206ad14 |
| Base 15 | 1825715 | 1825b15 |
| Base 16 | 1314d16 | 1315116 |