Compare 19861 vs 19919
| Property | 19861 | 19919 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 198611 | 199191 |
| Prime factorization | 19861 | 19919 |
| Divisors count | 2 | 2 |
| Divisors | 1, 19861 | 1, 19919 |
| Number of properties | 5 | 7 |
| Additive primes | 1046th | |
| Chen primes | 1107th | |
| Harmonic primes | 816th | |
| Isolated primes | 1570th | 1573rd |
| Lucky primes | 365th | |
| Primes | 2247th | 2252nd |
| Pythagorean primes | 1117th | |
| Sexy primes (1st member) | 690th | |
| Sexy primes (2nd member) | 691st | |
| Sophie germain primes | 325th | |
| Roman numberals | ||
| Base 2 | 1001101100101012 | 1001101110011112 |
| Base 3 | 10000201213 | 10000222023 |
| Base 4 | 103121114 | 103130334 |
| Base 5 | 11134215 | 11141345 |
| Base 6 | 2315416 | 2321156 |
| Base 7 | 1116227 | 1120347 |
| Base 8 | 466258 | 467178 |
| Base 9 | 302179 | 302829 |
| Base 10 | 1986110 | 1991910 |
| Base 11 | 13a1611 | 13a6911 |
| Base 12 | b5b112 | b63b12 |
| Base 13 | 906a13 | 90b313 |
| Base 14 | 734914 | 738b14 |
| Base 15 | 5d4115 | 5d7e15 |
| Base 16 | 4d9516 | 4dcf16 |