This is the 3976th most frequent Dutch word.
zeventien
Seventeen.
In this sentence, 'zeventien' functions as a number adjective modifying the noun 'flowers'.
Mijn oma heeft me verteld over zeventien verschillende soorten bloemen.
My grandmother told me about seventeen different kinds of flowers.
This usage of 'zeventien' is as a cardinal number indicating a quantity.
Ik heb zeventien appels gekocht.
I bought seventeen apples.
Here, 'zeventien' refers to the numeral 17 in the 24-hour time format, equivalent to 5 PM.