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"Cinco mil" is an adjective which is often translated as "five thousand", and "treinta" is a noun which is often translated as "thirty". Learn more about the difference between "cinco mil" and "treinta" below.
cinco mil(
seeng
-
koh
meel
)An adjective is a word that describes a noun (e.g., the big dog).
1. (number)
a. five thousand
Hay más de cinco mil especies de insectos en este ecosistema.There are over five thousand species of insects in this ecosystem.
A masculine noun is used with masculine articles and adjectives (e.g., el hombre guapo, el sol amarillo).
2. (number)
a. five thousand
Cinco mil es un número divisible por dos, cinco y diez.Five thousand is divisible by two, five, and ten.
el treinta(
treyn
-
tah
)A masculine noun is used with masculine articles and adjectives (e.g., el hombre guapo, el sol amarillo).
2. (number)
b. thirtieth (in dates)
El cumpleaños de mi padre es el treinta de noviembre.My father’s birthday is on the thirtieth of November.