Compare 1213 vs 1423
| Property | 1213 | 1423 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 12131 | 14231 |
| Prime factorization | 1213 | 1423 |
| Divisors count | 2 | 2 |
| Divisors | 1, 1213 | 1, 1423 |
| Number of properties | 7 | 6 |
| Additive primes | 106th | |
| Cousin primes (1st member) | 45th | 49th |
| Emirps | 52nd | |
| Good primes | 49th | 53rd |
| Isolated primes | 117th | 133rd |
| Primes | 198th | 224th |
| Prime triplets (1st member) | 36th | |
| Pythagorean primes | 97th | |
| Sexy primes (1st member) | 97th | |
| Roman numberals | MCCXIII | MCDXXIII |
| Base 2 | 100101111012 | 101100011112 |
| Base 3 | 11222213 | 12212013 |
| Base 4 | 1023314 | 1120334 |
| Base 5 | 143235 | 211435 |
| Base 6 | 53416 | 103316 |
| Base 7 | 33527 | 41027 |
| Base 8 | 22758 | 26178 |
| Base 9 | 15879 | 18519 |
| Base 10 | 121310 | 142310 |
| Base 11 | a0311 | 108411 |
| Base 12 | 85112 | 9a712 |
| Base 13 | 72413 | 85613 |
| Base 14 | 62914 | 73914 |
| Base 15 | 55d15 | 64d15 |
| Base 16 | 4bd16 | 58f16 |