Sechzehn
you have to say;
Ich bin sechzehn Jahre alt.
(I am Sixteen years old)
sixteen is sechzehn in German.
sechzehn
sechs, sieben, acht, neun, zehn.
Einhundert und achtundsechzig
Sechzehn
Sechzehn is German for Sixteen (the number)
The number nineteen in German is said as neunzehn.
vierzehn
Am sechzehnten Dezember
The number for 47 and sixteen thousandths is 47.016
Atomic number 8 and mass number sixteen is Oxygen
sixteen-fifths as a mixed number is 3and 1/5
16 and 16/1000 = 16.016
Neither nine nor sixteen are prime numbers. They are relatively prime to each other.
The cardinal number sixteen (16) has the ordinal number sixteenth (16th). Both may be used as adjectives.
It is a Composite Number.
I believe your serial number is wrong for a Sweet Sixteen.