Fatto generale: 2154 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fatto matematico: 2154 is an uninteresting number.
Trivia: 2154 is a boring number.
Data storica: November 23rd is the day in 1499 that Pretender to the throne Perkin Warbeck is hanged for reportedly attempting to escape from the Tower of London.