Compare 853 vs 1009
| Property | 853 | 1009 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 8531 | 10091 |
| Prime factorization | 853 | 1009 |
| Divisors count | 2 | 2 |
| Divisors | 1, 853 | 1, 1009 |
| Number of properties | 9 | 10 |
| Chen primes | 116th | |
| Cousin primes (1st member) | 35th | 42nd |
| Emirps | 37th | |
| Good primes | 41st | 45th |
| Happy primes | 36th | |
| Harmonic primes | 55th | |
| Isolated primes | 82nd | 100th |
| Left-truncatable primes | 47th | |
| Lucky primes | 44th | |
| Primes | 147th | 169th |
| Prime triplets (1st member) | 27th | |
| Pythagorean primes | 71st | 81st |
| Sexy primes (1st member) | 66th | |
| Solinas primes | 44th | |
| Roman numberals | DCCCLIII | MIX |
| Base 2 | 11010101012 | 11111100012 |
| Base 3 | 10111213 | 11011013 |
| Base 4 | 311114 | 333014 |
| Base 5 | 114035 | 130145 |
| Base 6 | 35416 | 44016 |
| Base 7 | 23267 | 26417 |
| Base 8 | 15258 | 17618 |
| Base 9 | 11479 | 13419 |
| Base 10 | 85310 | 100910 |
| Base 11 | 70611 | 83811 |
| Base 12 | 5b112 | 70112 |
| Base 13 | 50813 | 5c813 |
| Base 14 | 44d14 | 52114 |
| Base 15 | 3bd15 | 47415 |
| Base 16 | 35516 | 3f116 |