Compare 8147 vs 9887
| Property | 8147 | 9887 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 81471 | 98871 |
| Prime factorization | 8147 | 9887 |
| Divisors count | 2 | 2 |
| Divisors | 1, 8147 | 1, 9887 |
| Number of properties | 5 | 6 |
| Chen primes | 550th | |
| Cousin primes (2nd member) | 203rd | |
| Happy primes | 176th | |
| Harmonic primes | 444th | |
| Isolated primes | 670th | 813th |
| Long primes | 464th | |
| Primes | 1023rd | 1220th |
| Safe primes | 103rd | 115th |
| Roman numberals | ||
| Base 2 | 11111110100112 | 100110100111112 |
| Base 3 | 1020112023 | 1111200123 |
| Base 4 | 13331034 | 21221334 |
| Base 5 | 2300425 | 3040225 |
| Base 6 | 1014156 | 1134356 |
| Base 7 | 325167 | 405537 |
| Base 8 | 177238 | 232378 |
| Base 9 | 121529 | 145059 |
| Base 10 | 814710 | 988710 |
| Base 11 | 613711 | 747911 |
| Base 12 | 486b12 | 587b12 |
| Base 13 | 392913 | 466713 |
| Base 14 | 2d7d14 | 386314 |
| Base 15 | 263215 | 2de215 |
| Base 16 | 1fd316 | 269f16 |