problems in mathematics) The Collatz conjecture is one of the most famous unsolved problems in mathematics. The conjecture asks whether repeating two simple...

a counterexample farther than previously done. For instance, the Collatz conjecture, which concerns whether or not certain sequences of integers terminate...

4 ➙ ...} is the sixteenth prime number, 53. When generalizing the Collatz conjecture to all positive or negative integers, −5 becomes one of only four...

still open Collatz conjecture or the "3x + 1 problem". The 3x + 1 semigroup has been used to prove a weaker form of the Collatz conjecture. In fact, it...

The "3x + 1" problem is also known as the Collatz conjecture, named after him and still unsolved. The Collatz–Wielandt formula for the Perron–Frobenius...

Retrieved 2022-10-01. Cruncher Pete (2011-09-02). "Information on Collatz Conjecture". Archived from the original on 2013-12-26. Retrieved 2012-02-03....

2+3+5+7=17{\displaystyle 2+3+5+7=17}, with 7 the fourth indexed prime. In the Collatz conjecture (i.e. the 3n+1{\displaystyle 3n+1} problem), a starting value of 27...

public, and named after their maker (for example, Goldbach's conjecture and Collatz conjecture). The term hypothesis is also used in this sense (for example...

conjecture Kelvin's conjecture Kouchnirenko's conjecture Mertens conjecture Pólya conjecture, 1919 (1958) Ragsdale conjecture Schoenflies conjecture (disproved...

the esoteric programming language FRACTRAN. While lecturing on the Collatz conjecture, Terence Tao (who was taught by him in graduate school) mentioned...