Compare 1831 vs 1842
| Property | 1831 | 1842 |
|---|---|---|
| Type | prime | composite number |
| Unique factors | 1 | 3 |
| Total factors | 1 | 3 |
| Prime factorization | 18311 | 21 × 31 × 3071 |
| Prime factorization | 1831 | 2 × 3 × 307 |
| Divisors count | 2 | 8 |
| Divisors | 1, 1831 | 1, 2, 3, 6, 307, 614, 921, 1842 |
| Number of properties | 6 | 0 |
| Additive primes | 150th | |
| Emirps | 88th | |
| Harmonic primes | 101st | |
| Isolated primes | 171st | |
| Lucky primes | 67th | |
| Primes | 282nd | |
| Roman numberals | MDCCCXXXI | MDCCCXLII |
| Base 2 | 111001001112 | 111001100102 |
| Base 3 | 21112113 | 21120203 |
| Base 4 | 1302134 | 1303024 |
| Base 5 | 243115 | 243325 |
| Base 6 | 122516 | 123106 |
| Base 7 | 52247 | 52417 |
| Base 8 | 34478 | 34628 |
| Base 9 | 24549 | 24669 |
| Base 10 | 183110 | 184210 |
| Base 11 | 141511 | 142511 |
| Base 12 | 108712 | 109612 |
| Base 13 | aab13 | ab913 |
| Base 14 | 94b14 | 95814 |
| Base 15 | 82115 | 82c15 |
| Base 16 | 72716 | 73216 |