Compare 19815 vs 19819
| Property | 19815 | 19819 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 3 | 1 |
| Prime factorization | 31 × 51 × 13211 | 198191 |
| Prime factorization | 3 × 5 × 1321 | 19819 |
| Divisors count | 8 | 2 |
| Divisors | 1, 3, 5, 15, 1321, 3963, 6605, 19815 | 1, 19819 |
| Number of properties | 0 | 6 |
| Chen primes | 1104th | |
| Isolated primes | 1568th | |
| Long primes | 860th | |
| Primes | 2243rd | |
| Sexy primes (2nd member) | 689th | |
| Super primes | 334th | |
| Roman numberals | ||
| Base 2 | 1001101011001112 | 1001101011010112 |
| Base 3 | 10000112203 | 10000120013 |
| Base 4 | 103112134 | 103112234 |
| Base 5 | 11132305 | 11132345 |
| Base 6 | 2314236 | 2314316 |
| Base 7 | 1115257 | 1115327 |
| Base 8 | 465478 | 465538 |
| Base 9 | 301569 | 301619 |
| Base 10 | 1981510 | 1981910 |
| Base 11 | 1398411 | 1398811 |
| Base 12 | b57312 | b57712 |
| Base 13 | 903313 | 903713 |
| Base 14 | 731514 | 731914 |
| Base 15 | 5d1015 | 5d1415 |
| Base 16 | 4d6716 | 4d6b16 |