52! ≈ 8 × 10^67 possible arrangements of a deck of cards
Image: Douwe C. van der Zee, CC BY-SA 4.0, via Wikimedia Commons
52! ≈ 8 × 10^67 possible arrangements of a deck of cards
The factorial notation (52!) represents the total number of ways to arrange 52 unique cards. This number is astronomically large, approximately 8 × 10^67. This immense figure highlights the vastness of possible combinations even within a relatively small set.
Example
Imagine arranging just 52 playing cards; the number of possible sequences is around 8 × 10^67. This is far greater than the estimated number of atoms on Earth, which is around 10^24.
Understanding this vast number helps appreciate the complexity and diversity of arrangements in seemingly simple systems.
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)."
Pi
Pi has been calculated to over 100 trillion digits
Periodic table
Dmitri Mendeleev arranged the periodic table by atomic weight and left gaps for elements he predicted would later be discovered
Richard Feynman's diagrams turned quantum field theory calculations from intractable algebra into picture-bookkeeping
Feynman diagrams simplified quantum field theory from complex algebra to visual bookkeeping
The Fibonacci sequence appears in sunflower seed patterns, pinecones, and galaxy spirals
Fibonacci sequence observed in sunflower seed spirals, pinecones, galaxy formations
Birthday problem
Only 23 people needed for a 50% chance of shared birthday
One email a day: 5 concepts + the 5 stories that matter →
Swipe through 100 ML concepts daily
Open TickerNews