Compare 853 vs 1213
| Property | 853 | 1213 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 8531 | 12131 |
| Prime factorization | 853 | 1213 |
| Divisors count | 2 | 2 |
| Divisors | 1, 853 | 1, 1213 |
| Number of properties | 9 | 7 |
| Additive primes | 106th | |
| Cousin primes (1st member) | 35th | 45th |
| Emirps | 52nd | |
| Good primes | 41st | 49th |
| Harmonic primes | 55th | |
| Isolated primes | 82nd | 117th |
| Left-truncatable primes | 47th | |
| Primes | 147th | 198th |
| Prime triplets (1st member) | 27th | |
| Pythagorean primes | 71st | 97th |
| Sexy primes (1st member) | 66th | |
| Roman numberals | DCCCLIII | MCCXIII |
| Base 2 | 11010101012 | 100101111012 |
| Base 3 | 10111213 | 11222213 |
| Base 4 | 311114 | 1023314 |
| Base 5 | 114035 | 143235 |
| Base 6 | 35416 | 53416 |
| Base 7 | 23267 | 33527 |
| Base 8 | 15258 | 22758 |
| Base 9 | 11479 | 15879 |
| Base 10 | 85310 | 121310 |
| Base 11 | 70611 | a0311 |
| Base 12 | 5b112 | 85112 |
| Base 13 | 50813 | 72413 |
| Base 14 | 44d14 | 62914 |
| Base 15 | 3bd15 | 55d15 |
| Base 16 | 35516 | 4bd16 |