Most Popular Math Fun Facts

• Fundamental Group 4.57
• Binary Card Trick 4.48
• Unbelievable Unlinking 4.45
• Pigeonhole Principle 4.44
• Riemann Hypothesis 4.44
• Making Magic Squares 4.42
• Sum of Cubes and Beyond 4.42
• Liouville Numbers 4.40
• Scrabble Identity 4.39
• Kakeya Needle Problem 4.39
• Fermat's Little Theorem 4.38
• Pass the Beer 4.38
• Medical Tests and Bayes' Theorem 4.37
• Largest Known Primes 4.36
• Prime Number Theorem 4.35
• i to the i is a Real Number 4.35
• Football Field 4.35
• Bike with Square Wheels 4.33
• Perfect Shuffles 4.33
• Divisibility by Seven 4.33
• One, Two, Three, Pi 4.33
• Van der Waerden Theorem 4.33
• Vickrey Auction 4.33
• Koch Snowflake 4.32
• Quick Square Roots 4.32
• Sine of (1/55555....) 4.31
• Hairy Ball Theorem 4.31
• Reuleaux Wheel 4.30
• Four Color Theorem 4.30
• How many Rationals? 4.30
• Continuous but Nowhere Differentiable 4.29
• Why an International Date Line? 4.29
• Sliding Chords 4.28
• Brouwer Fixed Point Theorem 4.28
• Surface Area of a Sphere 4.28
• Leapfrog Addition 4.28
• Sperner's Lemma 4.28
• Volume of a Cone in N Dimensions 4.27
• Face Derivatives and Computer Vision 4.27
• Gaps in Primes 4.26

• Though not among the most popular, your Fun Fact now rates: Formula for Primes? 4.11

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