Most Popular Math Fun Facts

• Medical Tests and Bayes' Theorem 4.45
• Sum of Cubes and Beyond 4.44
• Riemann Hypothesis 4.43
• Proof with Words 4.38
• Football Field 4.38
• Why an International Date Line? 4.37
• Koch Snowflake 4.37
• Pigeonhole Principle 4.36
• Gaps in Primes 4.36
• Making Magic Squares 4.35
• Van der Waerden Theorem 4.35
• Fundamental Group 4.32
• Liouville Numbers 4.31
• Scrabble Identity 4.30
• Largest Known Primes 4.30
• One, Two, Three, Pi 4.30
• i to the i is a Real Number 4.29
• Complex Roots Made Visible 4.29
• Squares Ending in 5 4.29
• Unbelievable Unlinking 4.28
• Goldbach's Conjecture 4.28
• Perfect Shuffles 4.28
• Quick Square Roots 4.27
• Continuous but Nowhere Differentiable 4.26
• Four Fours Problem 4.26
• Morley's Theorem 4.26
• Area of a Circle or Regular Polygon 4.25
• Polyhedral Face Vectors 4.24
• Regular Solids 4.24
• Pass the Beer 4.23
• Pizza Slices 4.23
• Kakeya Needle Problem 4.23
• Mind-Reading Number Trick 4.22
• Thinned-Out Harmonic Series 4.22
• Vickrey Auction 4.22
• Six Degrees of Separation 4.21
• Spherical Geometry 4.20
• Napoleon's Theorem 4.20
• Divisibility by Seven 4.20
• Leapfrog Addition 4.20

• Though not among the most popular, your Fun Fact now rates: Repunit Fun 4.14

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