Compare 1009 vs 1031
| Property | 1009 | 1031 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 10091 | 10311 |
| Prime factorization | 1009 | 1031 |
| Divisors count | 2 | 2 |
| Divisors | 1, 1009 | 1, 1031 |
| Number of properties | 10 | 9 |
| Additive primes | 92nd | |
| Chen primes | 116th | 118th |
| Cousin primes (1st member) | 42nd | |
| Emirps | 37th | 39th |
| Good primes | 45th | 46th |
| Happy primes | 36th | |
| Isolated primes | 100th | |
| Lucky primes | 44th | |
| Primes | 169th | 173rd |
| Pythagorean primes | 81st | |
| Solinas primes | 44th | 47th |
| Sophie germain primes | 40th | |
| Super primes | 40th | |
| Twin primes (1st member) | 37th | |
| Roman numberals | MIX | MXXXI |
| Base 2 | 11111100012 | 100000001112 |
| Base 3 | 11011013 | 11020123 |
| Base 4 | 333014 | 1000134 |
| Base 5 | 130145 | 131115 |
| Base 6 | 44016 | 44356 |
| Base 7 | 26417 | 30027 |
| Base 8 | 17618 | 20078 |
| Base 9 | 13419 | 13659 |
| Base 10 | 100910 | 103110 |
| Base 11 | 83811 | 85811 |
| Base 12 | 70112 | 71b12 |
| Base 13 | 5c813 | 61413 |
| Base 14 | 52114 | 53914 |
| Base 15 | 47415 | 48b15 |
| Base 16 | 3f116 | 40716 |