Japanese have an extremely intuitive way of memorizing things. Let’s see how. Square root of 2 1.41421356…人世人世に人見頃 (ひとよひとよにひとみごろ) Meaning: It’s people’s world; people’s world. It’s time to observe people. To understand, you must look at the hiragana. Each one (or more, depending on the case), points to a digit! Let me show you: 1(ひと).4(よ)1(ひと)4(よ)2(に)1(ひと)3(み)5(ご)6(ろ) ひと … More Mnemonic phrases to memorize numbers!