Compare 39979 vs 40009
| Property | 39979 | 40009 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 399791 | 400091 |
| Prime factorization | 39979 | 40009 |
| Divisors count | 2 | 2 |
| Divisors | 1, 39979 | 1, 40009 |
| Number of properties | 8 | 7 |
| Additive primes | 1880th | 1881st |
| Chen primes | 1975th | 1976th |
| Cousin primes (1st member) | 581st | 582nd |
| Happy primes | 687th | 688th |
| Isolated primes | 3020th | 3023rd |
| Lucky primes | 624th | |
| Primes | 4201st | 4204th |
| Pythagorean primes | 2086th | |
| Super primes | 575th | |
| Roman numberals | ||
| Base 2 | 10011100001010112 | 10011100010010012 |
| Base 3 | 20002112013 | 20002122113 |
| Base 4 | 213002234 | 213010214 |
| Base 5 | 22344045 | 22400145 |
| Base 6 | 5050316 | 5051216 |
| Base 7 | 2243627 | 2244347 |
| Base 8 | 1160538 | 1161118 |
| Base 9 | 607519 | 607849 |
| Base 10 | 3997910 | 4000910 |
| Base 11 | 2804511 | 2807211 |
| Base 12 | 1b17712 | 1b1a112 |
| Base 13 | 1527413 | 1529813 |
| Base 14 | 107d914 | 1081b14 |
| Base 15 | bca415 | bcc415 |
| Base 16 | 9c2b16 | 9c4916 |