I used to have 4 as my 가장 좋아하는 number, but now it's 7 mainly because my 가장 좋아하는 movie has the number in the title, but other than that I don't know why it's my 가장 좋아하는 number. Close 초 is 12 because I won a big 초콜릿 bar on that number!
0. It's the most powerful number ever. Everything is valueless without it and it also can make anything valueless. It also can create infinity when 당신 divide something 의해 zero.