quizpich

Here are 10 fun math facts to celebrate Pi Day!

1. Pi Day Celebration 🎉

Pi Day is celebrated every March 14 (3/14) because the date represents the first three digits of π (3.14). It’s also Albert Einstein’s birthday!

2. The Only Even Prime Number

The number 2 is the only even prime number. All other even numbers are divisible by 2, making them composite.

3. The Magic of Zero

Zero is neither positive nor negative and was first used as a number by ancient Indian mathematicians around the 5th century. Interestingly, there is no Roman numeral for 0. The Romans referred to it as "nulla".

4. The Fibonacci Sequence in Nature

The Fibonacci sequence (1, 1, 2, 3, 5, 8, …) appears in nature, from pinecones and sunflowers to the spiral of galaxies!

5. A Googol is Huge!

A "googol" is 1 followed by 100 zeros. Google was named after this number to symbolize the vast amount of information on the internet.

6. The Number 9 Trick

If you multiply any number by 9 and sum the digits of the result, you’ll always get 9! (Example: 9 × 7 = 63 → 6 + 3 = 9)

7. The Power of 1089

Pick any three-digit number, reverse it, subtract, and then reverse the result—you’ll always get 1089! (Try it with 532: 532 - 235 = 297 → 792+ 297 = 1089

8. The Infinite Monkey Theorem 🐵

If a monkey randomly types on a keyboard for an infinite amount of time, it could eventually type the complete works of Shakespeare!

9. A Perfectly Imperfect Shape

A circle is the most symmetrical shape, with infinite lines of symmetry, yet π (pi), its defining ratio, is an irrational number!

10. The Largest Known Prime

The largest known prime number has over 24 million digits! Found in 2018, it’s a Mersenne prime, written as 2⁷⁷²³²⁹¹⁷ - 1.