Compare 1009 vs 1213
| Property | 1009 | 1213 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 10091 | 12131 |
| Prime factorization | 1009 | 1213 |
| Divisors count | 2 | 2 |
| Divisors | 1, 1009 | 1, 1213 |
| Number of properties | 10 | 7 |
| Additive primes | 106th | |
| Chen primes | 116th | |
| Cousin primes (1st member) | 42nd | 45th |
| Emirps | 37th | 52nd |
| Good primes | 45th | 49th |
| Happy primes | 36th | |
| Isolated primes | 100th | 117th |
| Lucky primes | 44th | |
| Primes | 169th | 198th |
| Pythagorean primes | 81st | 97th |
| Solinas primes | 44th | |
| Roman numberals | MIX | MCCXIII |
| Base 2 | 11111100012 | 100101111012 |
| Base 3 | 11011013 | 11222213 |
| Base 4 | 333014 | 1023314 |
| Base 5 | 130145 | 143235 |
| Base 6 | 44016 | 53416 |
| Base 7 | 26417 | 33527 |
| Base 8 | 17618 | 22758 |
| Base 9 | 13419 | 15879 |
| Base 10 | 100910 | 121310 |
| Base 11 | 83811 | a0311 |
| Base 12 | 70112 | 85112 |
| Base 13 | 5c813 | 72413 |
| Base 14 | 52114 | 62914 |
| Base 15 | 47415 | 55d15 |
| Base 16 | 3f116 | 4bd16 |