Compare 19813 vs 19815
Property | 19813 | 19815 |
---|---|---|
Type | prime | composite number |
Unique factors | 1 | 3 |
Total factors | 1 | 3 |
Prime factorization | 198131 | 31 × 51 × 13211 |
Prime factorization | 19813 | 3 × 5 × 1321 |
Divisors count | 2 | 8 |
Divisors | 1, 19813 | 1, 3, 5, 15, 1321, 3963, 6605, 19815 |
Number of properties | 6 | 0 |
Emirps | 624th | |
Harmonic primes | 811th | |
Isolated primes | 1567th | |
Primes | 2242nd | |
Pythagorean primes | 1114th | |
Sexy primes (1st member) | 689th | |
Roman numberals | ||
Base 2 | 1001101011001012 | 1001101011001112 |
Base 3 | 10000112113 | 10000112203 |
Base 4 | 103112114 | 103112134 |
Base 5 | 11132235 | 11132305 |
Base 6 | 2314216 | 2314236 |
Base 7 | 1115237 | 1115257 |
Base 8 | 465458 | 465478 |
Base 9 | 301549 | 301569 |
Base 10 | 1981310 | 1981510 |
Base 11 | 1398211 | 1398411 |
Base 12 | b57112 | b57312 |
Base 13 | 903113 | 903313 |
Base 14 | 731314 | 731514 |
Base 15 | 5d0d15 | 5d1015 |
Base 16 | 4d6516 | 4d6716 |