Pi has both perplexed and fascinated humanity for thousands of years. No matter how hard we try, it would be impossible to calculate every single digit of this irrational, infinite number. But advanced computer systems have calculated a mind-boggling number of digits—approximately 100 trillion as of 2023. And according to Guinness World Records, in 2015, a human memorized and recited approximately 70,000 decimal places of Pi in one sitting, taking nearly 10 hours!