Compare 8161 vs 8169
| Property | 8161 | 8169 |
|---|---|---|
| Type | prime | composite number |
| Unique factors | 1 | 3 |
| Total factors | 1 | 3 |
| Prime factorization | 81611 | 31 × 71 × 3891 |
| Prime factorization | 8161 | 3 × 7 × 389 |
| Divisors count | 2 | 8 |
| Divisors | 1, 8161 | 1, 3, 7, 21, 389, 1167, 2723, 8169 |
| Number of properties | 7 | 0 |
| Good primes | 151st | |
| Isolated primes | 671st | |
| Lucky primes | 185th | |
| Primes | 1024th | |
| Pythagorean primes | 509th | |
| Sexy primes (1st member) | 351st | |
| Solinas primes | 75th | |
| Roman numberals | ||
| Base 2 | 11111111000012 | 11111111010012 |
| Base 3 | 1020120213 | 1020121203 |
| Base 4 | 13332014 | 13332214 |
| Base 5 | 2301215 | 2301345 |
| Base 6 | 1014416 | 1014536 |
| Base 7 | 325367 | 325507 |
| Base 8 | 177418 | 177518 |
| Base 9 | 121679 | 121769 |
| Base 10 | 816110 | 816910 |
| Base 11 | 614a11 | 615711 |
| Base 12 | 488112 | 488912 |
| Base 13 | 393a13 | 394513 |
| Base 14 | 2d8d14 | 2d9714 |
| Base 15 | 264115 | 264915 |
| Base 16 | 1fe116 | 1fe916 |