Fait mathématique: 5791 is a value of n for which n and 8n together use each digit 1-9 exactly once.
Culture générale: 5791 is an unremarkable number.
Date historique: November 8th is the day in 1965 that the Murder (Abolition of Death Penalty) Act 1965 is given Royal Assent, formally abolishing the death penalty in the United Kingdom.