To calculate quantities. It is used in maths to help you in the future.
It is a number, used in counting, used in math.
the mass number of an atom is used to calculate the number of neutrons and protons in the nucleus of an atom
A base number is used as a factor in a power.
Forchheimer number is number used to the chemicals.
proof number
There is no smallest number and, since it does not exist, it cannot be used for anything!
The number 14 is used in chemistry, astronomy, and religion.
Number 0 is used at the end of an IPv4 address for network identifiers and number 255 is used at end of an IPv4 for broadcast addresses.
The number is called a base.
ordinal number
Protons
104