numeral
sixteen
A1
Sechzehn: the cardinal numeral meaning 'sixteen' (16). Used as a number in counting, ages, dates and quantities. Forms ordinal 'sechzehnte' for 'sixteenth'. As a numeral it is not gendered; in compounds and attributive uses it may be inflected (sechzehn Jahre, sechzehnjährige). Basic, regular numeral.
Examples
Sie ist sechzehn Jahre alt.
She is sixteen years old.
Die Schülerin war sechzehn Jahre alt, als sie beschloss, ein Auslandsjahr zu machen.
The student was sixteen years old when she decided to do a year abroad.
Details
Mnemonics
Think 'sech' + 'zehn' = six + ten = sixteen
like 'six-teen' in English
Notes
Compound number: sechs + zehn.