![]() ![]() It should take no more than 20 moves to solve a Rubiks cube no matter which of the 43 quintillion possible starting positions you begin with.Ī dodecahedron has twelve pentagonal sides.Ī googol is one followed by one hundred zeros. Two is the only even prime number and it is also the only prime number not to contain the letter 'e'. There is one 8x8 square, four 7x7 squares, nine 6圆 squares, 16 5x5 squares, 25 4x4 squares, 36 3x3 squares, 49 2x2 squares and 64 1x1 squares.Ī prime number has exactly two factors. If you count the squares made up of multiple squares there are 204 altogether. There are more than 64 squares on a chess board. The numbers on opposite sides of a dice add up to seven. See Alphanumbetical and try to think of other alphanumbetical mathematical words! ![]() The only number to have its letters in alphabetical order is forty. See A NUMBER for the discussion behind this fact. The first number to contain the letter a is 'one thousand'. You now have a way of remembering the first seven digits of pi: 3.141592. Think to yourself ' How I wish I could calculate pi' and then count the letters in each of the words of that sentence. The number zero does not have its own Roman numeral 77 interesting facts about Mathematics that will surprise, entertain and educate you.įour is the only number that has the same number of letters as its meaningĪ number is divisible by 9 if the sum of the digits is divisible by 9. ![]()
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