
Pi has been calculated to over 100 trillion digits
Image: Meucci Antonio (inventore), Officine Galileo (costruttore), CC BY-SA 4.0, via Wikimedia Commons
Pi has been calculated to over 100 trillion digits
Pi's decimal digits are believed to be evenly distributed, although this has not been proven. This property makes Pi a fascinating subject for mathematicians and scientists alike.
Example
The decimal representation of Pi starts as 3.14159...
Understanding Pi's properties and its extensive computational achievements helps appreciate its significance in mathematics and science.
Observable universe
The observable universe is about 93 billion light-years in diameter
There are more possible chess games than atoms in the observable universe
"There are more possible chess games (10^120) than atoms in the observable universe (10^80)."
Chemistry: A Volatile History
52! ≈ 8 × 10^67 possible arrangements of a deck of cards
Henrietta Swan Leavitt
Henrietta Leavitt discovered the period-luminosity relation of Cepheid variables
Perfect number
A perfect number equals the sum of its proper divisors
Benford's law
The leading digit '1' appears about 30% of the time in datasets following Benford's law
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