Number in Japanese is bango ばんご
The first symbol is the kanji and the others are the spelling in hiragana then followed by the romaji.
1 一 いち ichi
2 二 に ni
3 三 さん san
4 四 よん/し yon/shi
5 五 ご go
6 六 ろく roku
7 七 なな/しち nana/shichi
8 八 はち hachi
9 九 きゅう/くう kyuu/kuu
10 十 じゅ/じゅうju/juu
Note: Japanese usually avoid shi しand ku く. Shi しalso is the sound for the word death 死. Ku くis also the sound for the words pain or suffering 苦. So because of this gifts are usually given in threes or fives.
cutenippon 