Compare 1829 vs 1831
| Property | 1829 | 1831 |
|---|---|---|
| Type | semiprime | prime |
| Unique factors | 2 | 1 |
| Total factors | 2 | 1 |
| Prime factorization | 311 × 591 | 18311 |
| Prime factorization | 31 × 59 | 1831 |
| Divisors count | 4 | 2 |
| Divisors | 1, 31, 59, 1829 | 1, 1831 |
| Number of properties | 1 | 6 |
| Additive primes | 150th | |
| Emirps | 88th | |
| Harmonic primes | 101st | |
| Isolated primes | 171st | |
| Lucky primes | 67th | |
| Primes | 282nd | |
| Semiprimes | 526th | |
| Roman numberals | MDCCCXXIX | MDCCCXXXI |
| Base 2 | 111001001012 | 111001001112 |
| Base 3 | 21112023 | 21112113 |
| Base 4 | 1302114 | 1302134 |
| Base 5 | 243045 | 243115 |
| Base 6 | 122456 | 122516 |
| Base 7 | 52227 | 52247 |
| Base 8 | 34458 | 34478 |
| Base 9 | 24529 | 24549 |
| Base 10 | 182910 | 183110 |
| Base 11 | 141311 | 141511 |
| Base 12 | 108512 | 108712 |
| Base 13 | aa913 | aab13 |
| Base 14 | 94914 | 94b14 |
| Base 15 | 81e15 | 82115 |
| Base 16 | 72516 | 72716 |