Compare 19861 vs 20011
| Property | 19861 | 20011 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 198611 | 200111 |
| Prime factorization | 19861 | 20011 |
| Divisors count | 2 | 2 |
| Divisors | 1, 19861 | 1, 20011 |
| Number of properties | 5 | 3 |
| Centered triangular primes | 27th | |
| Isolated primes | 1570th | 1580th |
| Lucky primes | 365th | |
| Primes | 2247th | 2263rd |
| Pythagorean primes | 1117th | |
| Sexy primes (1st member) | 690th | |
| Roman numberals | ||
| Base 2 | 1001101100101012 | 1001110001010112 |
| Base 3 | 10000201213 | 10001100113 |
| Base 4 | 103121114 | 103202234 |
| Base 5 | 11134215 | 11200215 |
| Base 6 | 2315416 | 2323516 |
| Base 7 | 1116227 | 1122257 |
| Base 8 | 466258 | 470538 |
| Base 9 | 302179 | 304049 |
| Base 10 | 1986110 | 2001110 |
| Base 11 | 13a1611 | 1404211 |
| Base 12 | b5b112 | b6b712 |
| Base 13 | 906a13 | 915413 |
| Base 14 | 734914 | 741514 |
| Base 15 | 5d4115 | 5de115 |
| Base 16 | 4d9516 | 4e2b16 |