Compare 8161 vs 8269
| Property | 8161 | 8269 | 
|---|---|---|
| Type | prime | prime | 
| Unique factors | 1 | 1 | 
| Total factors | 1 | 1 | 
| Prime factorization | 81611 | 82691 | 
| Prime factorization | 8161 | 8269 | 
| Divisors count | 2 | 2 | 
| Divisors | 1, 8161 | 1, 8269 | 
| Number of properties | 7 | 9 | 
| Cousin primes (1st member) | 175th | |
| Cuban primes 1 | 27th | |
| Good primes | 151st | |
| Harmonic primes | 380th | |
| Isolated primes | 671st | 680th | 
| Long primes | 400th | |
| Lucky primes | 185th | 190th | 
| Primes | 1024th | 1037th | 
| Pythagorean primes | 509th | 514th | 
| Sexy primes (1st member) | 351st | |
| Sexy primes (2nd member) | 354th | |
| Solinas primes | 75th | |
| Roman numberals | ||
| Base 2 | 11111111000012 | 100000010011012 | 
| Base 3 | 1020120213 | 1021000213 | 
| Base 4 | 13332014 | 20010314 | 
| Base 5 | 2301215 | 2310345 | 
| Base 6 | 1014416 | 1021416 | 
| Base 7 | 325367 | 330527 | 
| Base 8 | 177418 | 201158 | 
| Base 9 | 121679 | 123079 | 
| Base 10 | 816110 | 826910 | 
| Base 11 | 614a11 | 623811 | 
| Base 12 | 488112 | 495112 | 
| Base 13 | 393a13 | 39c113 | 
| Base 14 | 2d8d14 | 302914 | 
| Base 15 | 264115 | 26b415 | 
| Base 16 | 1fe116 | 204d16 |