Compare 19861 vs 20143
| Property | 19861 | 20143 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 198611 | 201431 |
| Prime factorization | 19861 | 20143 |
| Divisors count | 2 | 2 |
| Divisors | 1, 19861 | 1, 20143 |
| Number of properties | 5 | 7 |
| Cousin primes (1st member) | 347th | |
| Harmonic primes | 826th | |
| Isolated primes | 1570th | 1593rd |
| Long primes | 871st | |
| Lucky primes | 365th | |
| Primes | 2247th | 2278th |
| Prime triplets (1st member) | 169th | |
| Pythagorean primes | 1117th | |
| Sexy primes (1st member) | 690th | 699th |
| Roman numberals | ||
| Base 2 | 1001101100101012 | 1001110101011112 |
| Base 3 | 10000201213 | 10001220013 |
| Base 4 | 103121114 | 103222334 |
| Base 5 | 11134215 | 11210335 |
| Base 6 | 2315416 | 2331316 |
| Base 7 | 1116227 | 1125047 |
| Base 8 | 466258 | 472578 |
| Base 9 | 302179 | 305619 |
| Base 10 | 1986110 | 2014310 |
| Base 11 | 13a1611 | 1415211 |
| Base 12 | b5b112 | b7a712 |
| Base 13 | 906a13 | 922613 |
| Base 14 | 734914 | 74ab14 |
| Base 15 | 5d4115 | 5e7d15 |
| Base 16 | 4d9516 | 4eaf16 |