Compare 20147 vs 20158
| Property | 20147 | 20158 |
|---|---|---|
| Type | prime | semiprime |
| Unique factors | 1 | 2 |
| Total factors | 1 | 2 |
| Prime factorization | 201471 | 21 × 100791 |
| Prime factorization | 20147 | 2 × 10079 |
| Divisors count | 2 | 4 |
| Divisors | 1, 20147 | 1, 2, 10079, 20158 |
| Number of properties | 7 | 1 |
| Chen primes | 1120th | |
| Cousin primes (2nd member) | 347th | |
| Happy primes | 379th | |
| Harmonic primes | 827th | |
| Primes | 2279th | |
| Prime triplets (2nd member) | 169th | |
| Semiprimes | 5120th | |
| Twin primes (1st member) | 344th | |
| Roman numberals | ||
| Base 2 | 1001110101100112 | 1001110101111102 |
| Base 3 | 10001220123 | 10001221213 |
| Base 4 | 103223034 | 103223324 |
| Base 5 | 11210425 | 11211135 |
| Base 6 | 2331356 | 2331546 |
| Base 7 | 1125117 | 1125257 |
| Base 8 | 472638 | 472768 |
| Base 9 | 305659 | 305779 |
| Base 10 | 2014710 | 2015810 |
| Base 11 | 1415611 | 1416611 |
| Base 12 | b7ab12 | b7ba12 |
| Base 13 | 922a13 | 923813 |
| Base 14 | 74b114 | 74bc14 |
| Base 15 | 5e8215 | 5e8d15 |
| Base 16 | 4eb316 | 4ebe16 |