Compare 39887 vs 40009
| Property | 39887 | 40009 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 398871 | 400091 |
| Prime factorization | 39887 | 40009 |
| Divisors count | 2 | 2 |
| Divisors | 1, 39887 | 1, 40009 |
| Number of properties | 7 | 7 |
| Additive primes | 1881st | |
| Chen primes | 1971st | 1976th |
| Cousin primes (1st member) | 582nd | |
| Cousin primes (2nd member) | 580th | |
| Emirps | 975th | |
| Happy primes | 688th | |
| Harmonic primes | 1562nd | |
| Isolated primes | 3014th | 3023rd |
| Long primes | 1583rd | |
| Primes | 4195th | 4204th |
| Pythagorean primes | 2086th | |
| Roman numberals | ||
| Base 2 | 10011011110011112 | 10011100010010012 |
| Base 3 | 20002010223 | 20002122113 |
| Base 4 | 212330334 | 213010214 |
| Base 5 | 22340225 | 22400145 |
| Base 6 | 5043556 | 5051216 |
| Base 7 | 2242017 | 2244347 |
| Base 8 | 1157178 | 1161118 |
| Base 9 | 606389 | 607849 |
| Base 10 | 3988710 | 4000910 |
| Base 11 | 27a7111 | 2807211 |
| Base 12 | 1b0bb12 | 1b1a112 |
| Base 13 | 1520313 | 1529813 |
| Base 14 | 1077114 | 1081b14 |
| Base 15 | bc4215 | bcc415 |
| Base 16 | 9bcf16 | 9c4916 |