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"Veintiuno" is an adjective which is often translated as "twenty-one", and "siete" is an adjective which is often translated as "seven". Learn more about the difference between "veintiuno" and "siete" below.
veintiuno(
beyn
-
tyoo
-
noh
)An adjective is a word that describes a noun (e.g., the big dog).
1. (number)
a. twenty-one
Solo faltan veintiún días para que salgamos de vacaciones.There are only twenty-one days left until we go on vacation.
Vinieron veintiuna personas a mi cena de cumpleaños.Twenty-one people came to my birthday dinner.
A masculine noun is used with masculine articles and adjectives (e.g., el hombre guapo, el sol amarillo).
2. (number)
a. twenty-one
El ganador de la rifa es el boleto en el que aparece el veintiuno.The winner of the raffle is the ticket with twenty-one on it.
b. twenty-first (in dates)
El solsticio de verano es el veintiuno de junio.The summer solstice is the twenty-first of June.
siete(
syeh
-
teh
)An adjective is a word that describes a noun (e.g., the big dog).
A masculine noun is used with masculine articles and adjectives (e.g., el hombre guapo, el sol amarillo).