cardinal number
US /ˈkɑːrdɪnəl ˈnʌmbər/
UK /ˈkɑːrdɪnəl ˈnʌmbər/

1.
número cardinal
a number denoting quantity, such as one, two, three, etc., as opposed to an ordinal number (first, second, third, etc.).
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In the sentence 'There are three apples,' 'three' is a cardinal number.
En la oración 'Hay tres manzanas', 'tres' es un número cardinal.
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The numbers 1, 2, 3, 4, 5 are all examples of cardinal numbers.
Los números 1, 2, 3, 4, 5 son todos ejemplos de números cardinales.