Compare 8161 vs 9181
| Property | 8161 | 9181 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 81611 | 91811 |
| Prime factorization | 8161 | 9181 |
| Divisors count | 2 | 2 |
| Divisors | 1, 8161 | 1, 9181 |
| Number of properties | 7 | 7 |
| Additive primes | 550th | |
| Chen primes | 594th | |
| Good primes | 151st | |
| Isolated primes | 671st | 755th |
| Lucky primes | 185th | 197th |
| Primes | 1024th | 1138th |
| Pythagorean primes | 509th | 566th |
| Sexy primes (1st member) | 351st | 383rd |
| Solinas primes | 75th | |
| Roman numberals | ||
| Base 2 | 11111111000012 | 100011110111012 |
| Base 3 | 1020120213 | 1101210013 |
| Base 4 | 13332014 | 20331314 |
| Base 5 | 2301215 | 2432115 |
| Base 6 | 1014416 | 1103016 |
| Base 7 | 325367 | 355247 |
| Base 8 | 177418 | 217358 |
| Base 9 | 121679 | 135319 |
| Base 10 | 816110 | 918110 |
| Base 11 | 614a11 | 699711 |
| Base 12 | 488112 | 539112 |
| Base 13 | 393a13 | 424313 |
| Base 14 | 2d8d14 | 34bb14 |
| Base 15 | 264115 | 2ac115 |
| Base 16 | 1fe116 | 23dd16 |