Yes; 四 is the Japanese for '4' and it reads both 'yon' and 'shi'. You will hear it in making bigger numbers too, example:
Juu = 10 , Yon = 4
Juu Yon = 14
Yon Juu = 40
Yon Juu Yon = 44
In romaji, the number 5 in Japanese is spelled "go."
ni hyaku yon juu yon
å››å五 (yon-juu-go) means 'forty-five' in Japanese.
Forty in Japanese would be yon-jyuu. (Japanese say the amount of tens there are, so 80 would be hachi-jyuu (eight tens)
It is 'ni juu yon' in Japanese.
四 Yon
jū-yon
Rokujuu-yon.
"juu yon" is a Japanese word and in English it means "fourteen"
14 is pronounced 'Ju-u-yon' in Japanese
yon-jū 四十
yon hyaku nijyu