Source/资料来源：https://zh.m.wikipedia.org/zh/%E8%80%83%E6%8B%89%E5%85%B9%E7%8C%9C%E6%83%B3 The The Collats conjecture, also known as the odd-even normalization conjecture, 3n+1 conjecture, hail conjecture, Kakutani conjecture, Hasse conjecture, Ulam conjecture or Syracuse conjecture, means that for each positive integer, if it is an odd number, Then multiply it by 3 and add 1, if it is an even number, divide it by 2, and so on, and finally get 1. 考拉兹猜想，又称为奇偶归一猜想、3n+1猜想、冰雹猜想、角谷猜想、哈塞猜想、乌拉姆猜想或叙拉古猜想，是指对于每一个正整数，如果它是奇数，则对它乘3再加1，如果它是偶数，则对它除以2，如此循环，最终都能够得到1。 #Collatzconjecture #math #scratch
