Compare 19861 vs 20551
| Property | 19861 | 20551 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 198611 | 205511 |
| Prime factorization | 19861 | 20551 |
| Divisors count | 2 | 2 |
| Divisors | 1, 19861 | 1, 20551 |
| Number of properties | 5 | 4 |
| Additive primes | 1077th | |
| Isolated primes | 1570th | |
| Lucky primes | 365th | 376th |
| Primes | 2247th | 2320th |
| Pythagorean primes | 1117th | |
| Sexy primes (1st member) | 690th | |
| Twin primes (2nd member) | 350th | |
| Roman numberals | ||
| Base 2 | 1001101100101012 | 1010000010001112 |
| Base 3 | 10000201213 | 10010120113 |
| Base 4 | 103121114 | 110010134 |
| Base 5 | 11134215 | 11242015 |
| Base 6 | 2315416 | 2350516 |
| Base 7 | 1116227 | 1136267 |
| Base 8 | 466258 | 501078 |
| Base 9 | 302179 | 311649 |
| Base 10 | 1986110 | 2055110 |
| Base 11 | 13a1611 | 1449311 |
| Base 12 | b5b112 | ba8712 |
| Base 13 | 906a13 | 947b13 |
| Base 14 | 734914 | 76bd14 |
| Base 15 | 5d4115 | 615115 |
| Base 16 | 4d9516 | 504716 |