Number Gossip

(Enter a number and I'll tell you everything you wanted to know about it but were afraid to ask.)

Unique Properties of 1213

  • 1213 is the smallest four-digit prime containing consecutive numbers (12 and 13)
  • 1213 is bar coding for 8 in Universal Product Code (barcode)

Common Properties of 1213

Deficient
Odd
Odious
Prime
Square-free