Compare 1831 vs 1839
Property | 1831 | 1839 |
---|---|---|
Type | prime | semiprime |
Unique factors | 1 | 2 |
Total factors | 1 | 2 |
Prime factorization | 18311 | 31 × 6131 |
Prime factorization | 1831 | 3 × 613 |
Divisors count | 2 | 4 |
Divisors | 1, 1831 | 1, 3, 613, 1839 |
Number of properties | 6 | 1 |
Additive primes | 150th | |
Emirps | 88th | |
Harmonic primes | 101st | |
Isolated primes | 171st | |
Lucky primes | 67th | |
Primes | 282nd | |
Semiprimes | 530th | |
Roman numberals | MDCCCXXXI | MDCCCXXXIX |
Base 2 | 111001001112 | 111001011112 |
Base 3 | 21112113 | 21120103 |
Base 4 | 1302134 | 1302334 |
Base 5 | 243115 | 243245 |
Base 6 | 122516 | 123036 |
Base 7 | 52247 | 52357 |
Base 8 | 34478 | 34578 |
Base 9 | 24549 | 24639 |
Base 10 | 183110 | 183910 |
Base 11 | 141511 | 142211 |
Base 12 | 108712 | 109312 |
Base 13 | aab13 | ab613 |
Base 14 | 94b14 | 95514 |
Base 15 | 82115 | 82915 |
Base 16 | 72716 | 72f16 |