Compare 39989 vs 40009
| Property | 39989 | 40009 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 399891 | 400091 |
| Prime factorization | 39989 | 40009 |
| Divisors count | 2 | 2 |
| Divisors | 1, 39989 | 1, 40009 |
| Number of properties | 8 | 7 |
| Additive primes | 1881st | |
| Chen primes | 1976th | |
| Cousin primes (1st member) | 582nd | |
| Emirps | 980th | |
| Happy primes | 688th | |
| Harmonic primes | 1567th | |
| Isolated primes | 3022nd | 3023rd |
| Long primes | 1587th | |
| Primes | 4203rd | 4204th |
| Pythagorean primes | 2085th | 2086th |
| Sexy primes (2nd member) | 1194th | |
| Sophie germain primes | 565th | |
| Roman numberals | ||
| Base 2 | 10011100001101012 | 10011100010010012 |
| Base 3 | 20002120023 | 20002122113 |
| Base 4 | 213003114 | 213010214 |
| Base 5 | 22344245 | 22400145 |
| Base 6 | 5050456 | 5051216 |
| Base 7 | 2244057 | 2244347 |
| Base 8 | 1160658 | 1161118 |
| Base 9 | 607629 | 607849 |
| Base 10 | 3998910 | 4000910 |
| Base 11 | 2805411 | 2807211 |
| Base 12 | 1b18512 | 1b1a112 |
| Base 13 | 1528113 | 1529813 |
| Base 14 | 1080514 | 1081b14 |
| Base 15 | bcae15 | bcc415 |
| Base 16 | 9c3516 | 9c4916 |