Collatz Path
Number
—
Steps
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Peak
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Collatz Conjecture
Every number eventually reaches 1. Proven for all numbers up to 2⁶⁸. Still unsolved.
Inspired by
3Blue1Brown
History:
Proposed in 1937 by Lothar Collatz, this deceptively simple problem has resisted proof for over 85 years. Paul Erdős said "Mathematics is not yet ready for such problems."
n =
Trace
▶ Animate
7
27
97
871
6171