Digits
The sequence "123456" occurs in the first million digits of pi. (T/F)
What is false?
The Greek letter locked in mortal struggle with pi for dominion over triangles inscribed in circles.
What is tau?
The number pi in the greek alphabet.
What is the sixteenth?
This is equal to e^{i pi}.
What is -1?
According to an INSIDER survey, the most popular type of pie in America.
What is apple pie?
The first twenty digits of pi.
What is 3.1415926535897932384?
The author of Life of Pi.
Who is Yann Martel?
The circumference of a jack-o'-lantern divided by its diameter?
What is Pumpkin Pie?
The formula for the roots of the complex polynomial z^n = 1.
What is e^{2\pi ik/n} for k from 1 to n?
The crust of this type of pie lines the baking dish, but its filling is not enclosed.
What is single-crust (or filled/bottom-crust) pie?
The first ten binary digits of pi.
What is 11.00100100?
Agent Cooper orders this combination of a drink and food item in Twin Peaks.
What is coffee and cherry pie?
The probability that two random natural numbers are relatively prime.
What is 6/\pi^2?
sum_{k=1}^\infty 1/k^2.
What is pi^2/6?
This is the area in square meters of the largest pizza ever cooked (allowing an error of +/- 100 square meters).
What is 1161 to 1361 square meters?
This digit occurs the most in the first million digits of pi.
What is 5?
A famous scientist who was either born on or passed away on pi day.
Who is Albert Einstein (born 1879) or Stephen Hawking (passed 2018)?
The probability a needle dropped in Buffon's Simulation hits the line.
What is pi/2?
The integral from negative infinity to infinity of e^{-x^2} dx.
What is the square root of pi?
A Roman precursor to pie, cooked using dough, cheese, honey, and bay leaves.
What is placenta, or libum?
The Guinness World Record holder of the "Most Pi places memorized."
Who is Rajveer Meena (with 70,000 digits over the span of 10 hours in 2015)?
This the Rotten Tomatoes score (within 7%) of the movie Pi.
What is any number between 81% and 95%?
The number of elastic collisions between two frictionless objects and a wall (moving in one dimension) where one starts in motion towards the wall and collides with the other on the way there assuming one that begins stationary is 100^n times the mass of the one that begins in motion.
What is approximately 10^n times pi (accurate to at least n digits)?
This is Stirling's approximation, which approximates n! for large n.
What is n! ~ \sqrt{2\pi n}(n/e)^n?
The date of National Pie Day.
What is January 23?