Compare 1543 vs 1831
| Property | 1543 | 1831 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 15431 | 18311 |
| Prime factorization | 1543 | 1831 |
| Divisors count | 2 | 2 |
| Divisors | 1, 1543 | 1, 1831 |
| Number of properties | 7 | 6 |
| Additive primes | 132nd | 150th |
| Emirps | 88th | |
| Good primes | 55th | |
| Harmonic primes | 101st | |
| Isolated primes | 144th | 171st |
| Long primes | 92nd | |
| Lucky primes | 58th | 67th |
| Primes | 243rd | 282nd |
| Sexy primes (1st member) | 106th | |
| Roman numberals | MDXLIII | MDCCCXXXI |
| Base 2 | 110000001112 | 111001001112 |
| Base 3 | 20100113 | 21112113 |
| Base 4 | 1200134 | 1302134 |
| Base 5 | 221335 | 243115 |
| Base 6 | 110516 | 122516 |
| Base 7 | 43337 | 52247 |
| Base 8 | 30078 | 34478 |
| Base 9 | 21049 | 24549 |
| Base 10 | 154310 | 183110 |
| Base 11 | 118311 | 141511 |
| Base 12 | a8712 | 108712 |
| Base 13 | 91913 | aab13 |
| Base 14 | 7c314 | 94b14 |
| Base 15 | 6cd15 | 82115 |
| Base 16 | 60716 | 72716 |