Fatto generale: 97913 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fatto matematico: 97913 is a boring number.
Trivia: 97913 is an uninteresting number.
Data storica: January 28th is the day in 1958 that the Lego company patents the design of its Lego bricks, still compatible with bricks produced today.