Compare 8145 vs 8147
| Property | 8145 | 8147 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 4 | 1 |
| Prime factorization | 32 × 51 × 1811 | 81471 |
| Prime factorization | 3 × 3 × 5 × 181 | 8147 |
| Divisors count | 12 | 2 |
| Divisors | 1, 3, 5, 9, 15, 45, 181, 543, 905, 1629, 2715, 8145 | 1, 8147 |
| Number of properties | 0 | 5 |
| Chen primes | 550th | |
| Happy primes | 176th | |
| Isolated primes | 670th | |
| Primes | 1023rd | |
| Safe primes | 103rd | |
| Roman numberals | ||
| Base 2 | 11111110100012 | 11111110100112 |
| Base 3 | 1020112003 | 1020112023 |
| Base 4 | 13331014 | 13331034 |
| Base 5 | 2300405 | 2300425 |
| Base 6 | 1014136 | 1014156 |
| Base 7 | 325147 | 325167 |
| Base 8 | 177218 | 177238 |
| Base 9 | 121509 | 121529 |
| Base 10 | 814510 | 814710 |
| Base 11 | 613511 | 613711 |
| Base 12 | 486912 | 486b12 |
| Base 13 | 392713 | 392913 |
| Base 14 | 2d7b14 | 2d7d14 |
| Base 15 | 263015 | 263215 |
| Base 16 | 1fd116 | 1fd316 |