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Collatz conjecture
Sign in to saveAlso known as 3n+1 conjecture, Ulam conjecture, Kakutani's problem, Thwaites conjecture, Hasse's algorithm, Syracuse problem, 3x+1 problem, Hailstone problem
conjecture in mathematics that concerns sequences
Wikidata facts
- Instance of
- conjecture
- Named after
- Stanisław Ulam
- Image
- All Collatz sequences of a length inferior to 20.svg
Show 4 more facts
- discoverer or inventor
- Lothar Collatz
- publication date
- 1937-00-00
- Commons category
- Collatz conjecture
- maintained by WikiProject
- WikiProject Mathematics
via Wikidata · CC0
~35 min read
Encyclopedic overview
Unsolved problem in mathematics
For even numbers, divide by 2; For odd numbers, multiply by 3 and add 1.
Excerpted from Wikipedia’s “Collatz conjecture” article, available under the CC BY-SA 4.0 licence.