Compare 1831 vs 1840
Property | 1831 | 1840 |
---|---|---|
Type | prime | composite number |
Unique factors | 1 | 3 |
Total factors | 1 | 6 |
Prime factorization | 18311 | 24 × 51 × 231 |
Prime factorization | 1831 | 2 × 2 × 2 × 2 × 5 × 23 |
Divisors count | 2 | 20 |
Divisors | 1, 1831 | 1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 230, 368, 460, 920, 1840 |
Number of properties | 6 | 0 |
Additive primes | 150th | |
Emirps | 88th | |
Harmonic primes | 101st | |
Isolated primes | 171st | |
Lucky primes | 67th | |
Primes | 282nd | |
Roman numberals | MDCCCXXXI | MDCCCXL |
Base 2 | 111001001112 | 111001100002 |
Base 3 | 21112113 | 21120113 |
Base 4 | 1302134 | 1303004 |
Base 5 | 243115 | 243305 |
Base 6 | 122516 | 123046 |
Base 7 | 52247 | 52367 |
Base 8 | 34478 | 34608 |
Base 9 | 24549 | 24649 |
Base 10 | 183110 | 184010 |
Base 11 | 141511 | 142311 |
Base 12 | 108712 | 109412 |
Base 13 | aab13 | ab713 |
Base 14 | 94b14 | 95614 |
Base 15 | 82115 | 82a15 |
Base 16 | 72716 | 73016 |