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Yesterday was a day to celebrate this irrational number, but no, it's not yet Thanksgiving.
What is pi?
Also know as Euler's number, this number is equal to approximately 2.718281828459045235360287471352
What is e?
This is the sum of the interior angles of a pentagon, in degrees.
What is 540?
This number is the smallest perfect number, meaning it is equal to the sum of its positive divisors (excluding the number itself).
What is 6?
This is the smallest prime number that is also a Fermat prime.
What is 3?