Compare 1825 vs 1831
| Property | 1825 | 1831 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 2 | 1 |
| Total factors | 3 | 1 |
| Prime factorization | 52 × 731 | 18311 |
| Prime factorization | 5 × 5 × 73 | 1831 |
| Divisors count | 6 | 2 |
| Divisors | 1, 5, 25, 73, 365, 1825 | 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 | MDCCCXXV | MDCCCXXXI |
| Base 2 | 111001000012 | 111001001112 |
| Base 3 | 21111213 | 21112113 |
| Base 4 | 1302014 | 1302134 |
| Base 5 | 243005 | 243115 |
| Base 6 | 122416 | 122516 |
| Base 7 | 52157 | 52247 |
| Base 8 | 34418 | 34478 |
| Base 9 | 24479 | 24549 |
| Base 10 | 182510 | 183110 |
| Base 11 | 140a11 | 141511 |
| Base 12 | 108112 | 108712 |
| Base 13 | aa513 | aab13 |
| Base 14 | 94514 | 94b14 |
| Base 15 | 81a15 | 82115 |
| Base 16 | 72116 | 72716 |