Unique Properties of 4
4 is the only compositorial square
4 is the only positive number that is both the sum and the product of the same two integers
4 is the order of the smallest non-cyclic group (submitted by Sam Steingold)
Every positive integer is the sum of at most 4 squares
4 is the smallest number of colors sufficient to color any planar map
4 is the only number in the English language for which the number of letters in its name is equal to the number itself
4 is the only composite number that is equal to the sum of its prime factors
4 is the only composite number n which doesn’t divide (n-1)!
There is also something about cutting cake but not everybody getting frosting but the way I cut cake, everybody gets frosting except that I might have licked it first.
Laz-y caterer numbers are similar to laz-y cake numbers, except everyone gets the toppings (~frosting). Didn't want to call too much attention to that, 'cuz it might start another pizzagate frenzy, but good to know, anyway.
We passed the century mark at 5:00 AM PST. Midnight tonight will clock 81 hours to go. Hang in there.