The most beautiful piece of Mathematics is Euler’s identity, the equation e^(pi i) + 1 = 0 or its variant e^(pi i) = -1, where i is iota or sqrt(-1). 6174 is another beauty of Mathematics. I randomly selected 4644 as the test case, and reached 6174 in 4 steps. Via reddit. Duggmirror.
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1 reply on “Mysterious number 6174”
interesting