Usage note
When used as an adjective, "cincuenta y uno" becomes "cincuenta y un" before masculine nouns and feminine nouns that begin with a stressed "a-" or "ha-" sound.
fifty-one
An adjective is a word that describes a noun (e.g. the big dog).
1. (number)
a. cincuenta y uno
I can think of fifty-one reasons why this is a bad idea.Puedo pensar en cincuenta y una razones por las que esta es una mala idea.
A noun is a word referring to a person, animal, place, thing, feeling or idea (e.g. man, dog, house).
2. (number)
a. el cincuenta y uno
(m) means that a noun is masculine. Spanish nouns have a gender, which is either feminine (like la mujer or la luna) or masculine (like el hombre or el sol).
How fast can you count to fifty-one?¿Qué tan rápido puedes contar hasta el cincuenta y uno?
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