Hecho matemático: 8198 is the index of a Fibonacci number whose first 9 digits are the digits 1-9 rearranged.
Trivia: 8198 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fecha histórica: June 11th is the day in 1998 that Compaq Computer pays $9 billion for Digital Equipment Corporation in the largest high-tech acquisition.