>There is an algorithm to calculate the digits of your number without calculating all previous digits. But for pi there isn't. Actually, there is: https://math

>There is an algorithm to calculate the digits of your number without calculating all previous digits. But for pi there isn't. Actually, there is: https://math.hmc.edu/funfacts/finding-the-n-th-digit-of-pi/ https://math.hmc.edu/funfacts/finding-the-n-th-digit-of-pi/