Compare 1213 vs 1543
| Property | 1213 | 1543 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 12131 | 15431 |
| Prime factorization | 1213 | 1543 |
| Divisors count | 2 | 2 |
| Divisors | 1, 1213 | 1, 1543 |
| Number of properties | 7 | 7 |
| Additive primes | 106th | 132nd |
| Cousin primes (1st member) | 45th | |
| Emirps | 52nd | |
| Good primes | 49th | 55th |
| Isolated primes | 117th | 144th |
| Long primes | 92nd | |
| Lucky primes | 58th | |
| Primes | 198th | 243rd |
| Pythagorean primes | 97th | |
| Sexy primes (1st member) | 106th | |
| Roman numberals | MCCXIII | MDXLIII |
| Base 2 | 100101111012 | 110000001112 |
| Base 3 | 11222213 | 20100113 |
| Base 4 | 1023314 | 1200134 |
| Base 5 | 143235 | 221335 |
| Base 6 | 53416 | 110516 |
| Base 7 | 33527 | 43337 |
| Base 8 | 22758 | 30078 |
| Base 9 | 15879 | 21049 |
| Base 10 | 121310 | 154310 |
| Base 11 | a0311 | 118311 |
| Base 12 | 85112 | a8712 |
| Base 13 | 72413 | 91913 |
| Base 14 | 62914 | 7c314 |
| Base 15 | 55d15 | 6cd15 |
| Base 16 | 4bd16 | 60716 |