In order to have an average, you need to have more than one figure to add together and then divide.
sixteen. as you receive you national insurance number.
The number for 47 and sixteen thousandths is 47.016
Atomic number 8 and mass number sixteen is Oxygen
If there isn't an "S" in the serial number, it's not a Sweet Sixteen.
sixteen-fifths as a mixed number is 3and 1/5
I think its a noun
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.
Sixty-five and sixteen hundredths in number form is written as 65.16.
It is a Composite Number.
I believe your serial number is wrong for a Sweet Sixteen.