Compare 1826 vs 1831
| Property | 1826 | 1831 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 3 | 1 |
| Prime factorization | 21 × 111 × 831 | 18311 |
| Prime factorization | 2 × 11 × 83 | 1831 |
| Divisors count | 8 | 2 |
| Divisors | 1, 2, 11, 22, 83, 166, 913, 1826 | 1, 1831 |
| Number of properties | 0 | 6 |
| Additive primes | 150th | |
| Emirps | 88th | |
| Harmonic primes | 101st | |
| Isolated primes | 171st | |
| Lucky primes | 67th | |
| Primes | 282nd | |
| Roman numberals | MDCCCXXVI | MDCCCXXXI |
| Base 2 | 111001000102 | 111001001112 |
| Base 3 | 21111223 | 21112113 |
| Base 4 | 1302024 | 1302134 |
| Base 5 | 243015 | 243115 |
| Base 6 | 122426 | 122516 |
| Base 7 | 52167 | 52247 |
| Base 8 | 34428 | 34478 |
| Base 9 | 24489 | 24549 |
| Base 10 | 182610 | 183110 |
| Base 11 | 141011 | 141511 |
| Base 12 | 108212 | 108712 |
| Base 13 | aa613 | aab13 |
| Base 14 | 94614 | 94b14 |
| Base 15 | 81b15 | 82115 |
| Base 16 | 72216 | 72716 |