Compare 8161 vs 8209
| Property | 8161 | 8209 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 81611 | 82091 |
| Prime factorization | 8161 | 8209 |
| Divisors count | 2 | 2 |
| Divisors | 1, 8161 | 1, 8209 |
| Number of properties | 7 | 6 |
| Additive primes | 504th | |
| Good primes | 151st | 153rd |
| Isolated primes | 671st | 676th |
| Lucky primes | 185th | |
| Primes | 1024th | 1029th |
| Pythagorean primes | 509th | 510th |
| Sexy primes (1st member) | 351st | |
| Solinas primes | 75th | 77th |
| Roman numberals | ||
| Base 2 | 11111111000012 | 100000000100012 |
| Base 3 | 1020120213 | 1020210013 |
| Base 4 | 13332014 | 20001014 |
| Base 5 | 2301215 | 2303145 |
| Base 6 | 1014416 | 1020016 |
| Base 7 | 325367 | 326357 |
| Base 8 | 177418 | 200218 |
| Base 9 | 121679 | 122319 |
| Base 10 | 816110 | 820910 |
| Base 11 | 614a11 | 619311 |
| Base 12 | 488112 | 490112 |
| Base 13 | 393a13 | 397613 |
| Base 14 | 2d8d14 | 2dc514 |
| Base 15 | 264115 | 267415 |
| Base 16 | 1fe116 | 201116 |