The initial binary range is 00110010100. This binary number transformed to decimal is 404. We will convert the binary sequence over right into a decimal sequence (You need to use a calculator, an internet tool or do it by hand on paper In case you have time). BIP39 and 44, https://writeablog.net/ipennywpzc/h1-b-opening-the-power-of-bip39-exactly-how-to-produce-and-use-mnemonic