Compare 9887 vs 10009
| Property | 9887 | 10009 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 98871 | 100091 |
| Prime factorization | 9887 | 10009 |
| Divisors count | 2 | 2 |
| Divisors | 1, 9887 | 1, 10009 |
| Number of properties | 6 | 7 |
| Cousin primes (2nd member) | 203rd | |
| Emirps | 242nd | |
| Happy primes | 201st | |
| Harmonic primes | 444th | |
| Isolated primes | 813th | |
| Long primes | 464th | |
| Lucky primes | 212th | |
| Primes | 1220th | 1231st |
| Pythagorean primes | 610th | |
| Safe primes | 115th | |
| Super primes | 202nd | |
| Twin primes (2nd member) | 206th | |
| Roman numberals | ||
| Base 2 | 100110100111112 | 100111000110012 |
| Base 3 | 1111200123 | 1112012013 |
| Base 4 | 21221334 | 21301214 |
| Base 5 | 3040225 | 3100145 |
| Base 6 | 1134356 | 1142016 |
| Base 7 | 405537 | 411167 |
| Base 8 | 232378 | 234318 |
| Base 9 | 145059 | 146519 |
| Base 10 | 988710 | 1000910 |
| Base 11 | 747911 | 757a11 |
| Base 12 | 587b12 | 596112 |
| Base 13 | 466713 | 472c13 |
| Base 14 | 386314 | 390d14 |
| Base 15 | 2de215 | 2e7415 |
| Base 16 | 269f16 | 271916 |