simple numbers kanji. one, two, three, four, five, six, eight, nine, ten, hundred, thousand, ten thousand, hundred million, trillion. Japanese says Ichi, Ni, San, Shi(Yon), Go, Roku, Nana(hichi), Hachi, Kyu(ku), Ju, Hyaku, Sen, Man, Oku, Chyo that is one letter kanji.