Here is information about "eighteen" that you may find useful and interesting.
Number Systems
Eighteen is a decimal number and can be written with numbers:
18
Binary is a number system with only 0s and 1s. Eighteen in binary form is displayed below:
10010
A Hexadecimal number has a base of 16 which means it includes the numbers 0 to 9 and A through F. Eighteen converted to
hexadecimal is:
12
Roman Numerals is another number system. Below is eighteen in roman numerals:
XVIII
Scientific Notation
Sometimes calculators and scientists shorten numbers using scientific notation. Here is eighteen as a scientific notation:
1.8E+01
Math
Here are some math facts about Eighteen:
Eighteen is a rational number and an integer.
Eighteen is an even number because it is divisible by two.
Eighteen is divisible by the following numbers:
1, 2, 3, 6, 9, 18
Eighteen is not a square number because no number multiplied by itself will equal eighteen.
Number Lookup
Eighteen is not the only number we have information about. Go here to look up other numbers.

