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Numerical verification of the Collatz conjecture for billion digit random numbers

Number Theory 2025-02-25 v1

Abstract

The Collatz conjecture, also known as the 3n+1 problem, is one of the most popular open problems in number theory. In this note, an algorithm for the verification of the Collatz conjecture is presented that works on a standard PC for numbers with up to ten billion decimal places.

Keywords

Cite

@article{arxiv.2502.16743,
  title  = {Numerical verification of the Collatz conjecture for billion digit random numbers},
  author = {Andreas-Stephan Elsenhans},
  journal= {arXiv preprint arXiv:2502.16743},
  year   = {2025}
}

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4 pages