Compare 9871 vs 10009
| Property | 9871 | 10009 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 98711 | 100091 |
| Prime factorization | 9871 | 10009 |
| Divisors count | 2 | 2 |
| Divisors | 1, 9871 | 1, 10009 |
| Number of properties | 4 | 7 |
| Emirps | 235th | 242nd |
| Happy primes | 201st | |
| Harmonic primes | 442nd | |
| Isolated primes | 811th | |
| Lucky primes | 212th | |
| Primes | 1218th | 1231st |
| Pythagorean primes | 610th | |
| Super primes | 202nd | |
| Twin primes (2nd member) | 206th | |
| Roman numberals | ||
| Base 2 | 100110100011112 | 100111000110012 |
| Base 3 | 1111121213 | 1112012013 |
| Base 4 | 21220334 | 21301214 |
| Base 5 | 3034415 | 3100145 |
| Base 6 | 1134116 | 1142016 |
| Base 7 | 405317 | 411167 |
| Base 8 | 232178 | 234318 |
| Base 9 | 144779 | 146519 |
| Base 10 | 987110 | 1000910 |
| Base 11 | 746411 | 757a11 |
| Base 12 | 586712 | 596112 |
| Base 13 | 465413 | 472c13 |
| Base 14 | 385114 | 390d14 |
| Base 15 | 2dd115 | 2e7415 |
| Base 16 | 268f16 | 271916 |