Compare 161507 vs 161513
| Property | 161507 | 161513 |
|---|---|---|
| Type | prime | semiprime |
| Unique factors | 1 | 2 |
| Total factors | 1 | 2 |
| Prime factorization | 1615071 | 111 × 146831 |
| Prime factorization | 161507 | 11 × 14683 |
| Divisors count | 2 | 4 |
| Divisors | 1, 161507 | 1, 11, 14683, 161513 |
| Number of properties | 5 | 1 |
| Chen primes | 6313th | |
| Cousin primes (2nd member) | 1793rd | |
| Emirps | 3257th | |
| Isolated primes | 11181st | |
| Primes | 14808th | |
| Semiprimes | 36895th | |
| Roman numberals | ||
| Base 2 | 1001110110111000112 | 1001110110111010012 |
| Base 3 | 220121122023 | 220121122223 |
| Base 4 | 2131232034 | 2131232214 |
| Base 5 | 201320125 | 201320235 |
| Base 6 | 32434156 | 32434256 |
| Base 7 | 12416037 | 12416127 |
| Base 8 | 4733438 | 4733518 |
| Base 9 | 2654829 | 2654889 |
| Base 10 | 16150710 | 16151310 |
| Base 11 | 10038511 | 10039011 |
| Base 12 | 7956b12 | 7957512 |
| Base 13 | 5868813 | 5869113 |
| Base 14 | 42c0314 | 42c0914 |
| Base 15 | 32cc215 | 32cc815 |
| Base 16 | 276e316 | 276e916 |