28 is a perfect number (1+2+4+7+14=28). Nerdle is not impressed. It wants equations.
The first commercial telephone exchange opened today in 1878. 'Hello? Is this 48-20=28?'
Guess 1 of 6
Nerdle Puzzle from January 28, 2011#
This is an archived Nerdle puzzle from Friday, January 28, 2011. Every date has a unique puzzle determined by the date. Use our hints to improve your strategy!
Note: All puzzles use UTC timezone for consistency.