Pi gets all the fanfare, but other numbers also deserve their own math holidays

Pi gets a lot of attention this time of year, but there are plenty of other mathematical constants just as deserving of recognition.

By: Manil Suri, University of Maryland, Baltimore County, The Conversation

Outlets: The Conversation

Published: March 14, 2026

Words: 1,062

Last Updated: 4 months, 3 weeks ago

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By Manil Suri, University of Maryland, Baltimore County

March 14 is celebrated as Pi Day because the date, when written as 3/14, matches the start of the decimal expansion 3.14159… of the most famous mathematical constant.

By itself, pi is simply a number, one among countless others between 3 and 4. What makes it famous is that it’s built into every circle you see – circumference equals pi times diameter – not to mention a range …

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