Compare 1009 vs 1012
| Property | 1009 | 1012 | 
|---|---|---|
| Type | prime | composite number | 
| Unique factors | 1 | 3 | 
| Total factors | 1 | 4 | 
| Prime factorization | 10091 | 22 × 111 × 231 | 
| Prime factorization | 1009 | 2 × 2 × 11 × 23 | 
| Divisors count | 2 | 12 | 
| Divisors | 1, 1009 | 1, 2, 4, 11, 22, 23, 44, 46, 92, 253, 506, 1012 | 
| Number of properties | 10 | 0 | 
| Chen primes | 116th | |
| Cousin primes (1st member) | 42nd | |
| Emirps | 37th | |
| Good primes | 45th | |
| Happy primes | 36th | |
| Isolated primes | 100th | |
| Lucky primes | 44th | |
| Primes | 169th | |
| Pythagorean primes | 81st | |
| Solinas primes | 44th | |
| Roman numberals | MIX | MXII | 
| Base 2 | 11111100012 | 11111101002 | 
| Base 3 | 11011013 | 11011113 | 
| Base 4 | 333014 | 333104 | 
| Base 5 | 130145 | 130225 | 
| Base 6 | 44016 | 44046 | 
| Base 7 | 26417 | 26447 | 
| Base 8 | 17618 | 17648 | 
| Base 9 | 13419 | 13449 | 
| Base 10 | 100910 | 101210 | 
| Base 11 | 83811 | 84011 | 
| Base 12 | 70112 | 70412 | 
| Base 13 | 5c813 | 5cb13 | 
| Base 14 | 52114 | 52414 | 
| Base 15 | 47415 | 47715 | 
| Base 16 | 3f116 | 3f416 |