Compare 39821 vs 40009
| Property | 39821 | 40009 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 398211 | 400091 |
| Prime factorization | 39821 | 40009 |
| Divisors count | 2 | 2 |
| Divisors | 1, 39821 | 1, 40009 |
| Number of properties | 8 | 7 |
| Additive primes | 1871st | 1881st |
| Chen primes | 1966th | 1976th |
| Cousin primes (1st member) | 582nd | |
| Emirps | 969th | |
| Happy primes | 688th | |
| Isolated primes | 3007th | 3023rd |
| Long primes | 1577th | |
| Primes | 4184th | 4204th |
| Pythagorean primes | 2075th | 2086th |
| Sexy primes (1st member) | 1189th | |
| Roman numberals | ||
| Base 2 | 10011011100011012 | 10011100010010012 |
| Base 3 | 20001212123 | 20002122113 |
| Base 4 | 212320314 | 213010214 |
| Base 5 | 22332415 | 22400145 |
| Base 6 | 5042056 | 5051216 |
| Base 7 | 2240457 | 2244347 |
| Base 8 | 1156158 | 1161118 |
| Base 9 | 605559 | 607849 |
| Base 10 | 3982110 | 4000910 |
| Base 11 | 27a1111 | 2807211 |
| Base 12 | 1b06512 | 1b1a112 |
| Base 13 | 1518213 | 1529813 |
| Base 14 | 1072514 | 1081b14 |
| Base 15 | bbeb15 | bcc415 |
| Base 16 | 9b8d16 | 9c4916 |