Compare 1831 vs 2281
| Property | 1831 | 2281 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 18311 | 22811 |
| Prime factorization | 1831 | 2281 |
| Divisors count | 2 | 2 |
| Divisors | 1, 1831 | 1, 2281 |
| Number of properties | 6 | 8 |
| Additive primes | 150th | 178th |
| Chen primes | 207th | |
| Emirps | 88th | |
| Harmonic primes | 101st | |
| Isolated primes | 171st | 202nd |
| Lucky primes | 67th | 77th |
| Primes | 282nd | 339th |
| Pythagorean primes | 165th | |
| Sexy primes (1st member) | 139th | |
| Sexy prime triplets (1st member) | 52nd | |
| Roman numberals | MDCCCXXXI | MMCCLXXXI |
| Base 2 | 111001001112 | 1000111010012 |
| Base 3 | 21112113 | 100101113 |
| Base 4 | 1302134 | 2032214 |
| Base 5 | 243115 | 331115 |
| Base 6 | 122516 | 143216 |
| Base 7 | 52247 | 64367 |
| Base 8 | 34478 | 43518 |
| Base 9 | 24549 | 31149 |
| Base 10 | 183110 | 228110 |
| Base 11 | 141511 | 179411 |
| Base 12 | 108712 | 13a112 |
| Base 13 | aab13 | 106613 |
| Base 14 | 94b14 | b8d14 |
| Base 15 | 82115 | a2115 |
| Base 16 | 72716 | 8e916 |