The Blog
Numbers
Number facts and patterns you can verify on a calculator.
Numbers
A Googol Is Bigger Than the Universe’s Atom Count
A googol, a 1 with 100 zeros, is vastly more than the estimated number of atoms in the observable universe.
Numbers
Fold Paper 42 Times and You Pass the Moon
A sheet of paper 0.1 millimeters thick, folded 42 times, would be over 400,000 kilometers tall.
Numbers
A Shuffled Deck Has Probably Never Existed Before
There are about 8 times 10 to the 67th possible orders of a 52-card deck.
Numbers
Nine Ones Squared Make a Perfect Palindrome
111,111,111 times 111,111,111 equals 12,345,678,987,654,321.