Compare 1831 vs 1873
| Property | 1831 | 1873 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 18311 | 18731 |
| Prime factorization | 1831 | 1873 |
| Divisors count | 2 | 2 |
| Divisors | 1, 1831 | 1, 1873 |
| Number of properties | 6 | 17 |
| Additive primes | 150th | 152nd |
| Cousin primes (1st member) | 63rd | |
| Emirps | 88th | |
| Harmonic primes | 101st | 104th |
| Isolated primes | 171st | |
| Long primes | 113th | |
| Lucky primes | 67th | |
| Primes | 282nd | 287th |
| Prime quadruplets (2nd member) | 7th | |
| Prime quintuplet 1s (3rd member) | 3rd | |
| Prime triplets (1st member) | 48th | |
| Prime triplets (2nd member) | 47th | |
| Prime triplets (3rd member) | 46th | |
| Pythagorean primes | 138th | |
| Sexy primes (1st member) | 123rd | |
| Sexy primes (2nd member) | 121st | |
| Sexy prime quadrupletss (3rd member) | 12th | |
| Sexy prime triplets (2nd member) | 48th | |
| Sexy prime triplets (3rd member) | 47th | |
| Twin primes (2nd member) | 57th | |
| Roman numberals | MDCCCXXXI | MDCCCLXXIII |
| Base 2 | 111001001112 | 111010100012 |
| Base 3 | 21112113 | 21201013 |
| Base 4 | 1302134 | 1311014 |
| Base 5 | 243115 | 244435 |
| Base 6 | 122516 | 124016 |
| Base 7 | 52247 | 53147 |
| Base 8 | 34478 | 35218 |
| Base 9 | 24549 | 25119 |
| Base 10 | 183110 | 187310 |
| Base 11 | 141511 | 145311 |
| Base 12 | 108712 | 110112 |
| Base 13 | aab13 | b1113 |
| Base 14 | 94b14 | 97b14 |
| Base 15 | 82115 | 84d15 |
| Base 16 | 72716 | 75116 |