Compare 1009 vs 1399
| Property | 1009 | 1399 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 10091 | 13991 |
| Prime factorization | 1009 | 1399 |
| Divisors count | 2 | 2 |
| Divisors | 1, 1009 | 1, 1399 |
| Number of properties | 10 | 6 |
| Chen primes | 116th | 145th |
| Cousin primes (1st member) | 42nd | |
| Emirps | 37th | 65th |
| Good primes | 45th | 52nd |
| Happy primes | 36th | |
| Harmonic primes | 76th | |
| Isolated primes | 100th | 131st |
| Lucky primes | 44th | |
| Primes | 169th | 222nd |
| Pythagorean primes | 81st | |
| Solinas primes | 44th | |
| Roman numberals | MIX | MCCCXCIX |
| Base 2 | 11111100012 | 101011101112 |
| Base 3 | 11011013 | 12202113 |
| Base 4 | 333014 | 1113134 |
| Base 5 | 130145 | 210445 |
| Base 6 | 44016 | 102516 |
| Base 7 | 26417 | 40367 |
| Base 8 | 17618 | 25678 |
| Base 9 | 13419 | 18249 |
| Base 10 | 100910 | 139910 |
| Base 11 | 83811 | 106211 |
| Base 12 | 70112 | 98712 |
| Base 13 | 5c813 | 83813 |
| Base 14 | 52114 | 71d14 |
| Base 15 | 47415 | 63415 |
| Base 16 | 3f116 | 57716 |