Compare 8155 vs 8161
| Property | 8155 | 8161 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 3 | 1 |
| Prime factorization | 51 × 71 × 2331 | 81611 |
| Prime factorization | 5 × 7 × 233 | 8161 |
| Divisors count | 8 | 2 |
| Divisors | 1, 5, 7, 35, 233, 1165, 1631, 8155 | 1, 8161 |
| Number of properties | 0 | 7 |
| 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 | 11111110110112 | 11111111000012 |
| Base 3 | 1020120013 | 1020120213 |
| Base 4 | 13331234 | 13332014 |
| Base 5 | 2301105 | 2301215 |
| Base 6 | 1014316 | 1014416 |
| Base 7 | 325307 | 325367 |
| Base 8 | 177338 | 177418 |
| Base 9 | 121619 | 121679 |
| Base 10 | 815510 | 816110 |
| Base 11 | 614411 | 614a11 |
| Base 12 | 487712 | 488112 |
| Base 13 | 393413 | 393a13 |
| Base 14 | 2d8714 | 2d8d14 |
| Base 15 | 263a15 | 264115 |
| Base 16 | 1fdb16 | 1fe116 |