The numbers 21, 31, 41, 51, and 61 join the numbers with the conjunction ''and'' or et (ay) in French, as in vingt et un. The other numbers are joined by a hyphen, like in English. Twenty-two is vingt-deux, thirty-four is trente-quatre, and sixty-seven is soixante-sept.

card game. Also known as: B.J., Pontoon, Twenty-one, Van John, Vingt-et-un.