Comments by "kazedcat" (@kazedcat) on "The Simplest Math Problem No One Can Solve - Collatz Conjecture" video.

@Xianfaquanli This is not true only numbers that are powers of 2 are guaranteed to drop to the 4-2-1 loop. For example number 6 rise to 16 which is a power of 2 before it drops down to the 4-2-1 loop. We do not have a proof that all numbers will encounter a power of 2 in it's sequence.
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