Here is information about "forty" that you may find useful and interesting.
Number Systems
Forty is a decimal number and can be written with numbers:
40
Binary is a number system with only 0s and 1s. Forty in binary form is displayed below:
101000
A Hexadecimal number has a base of 16 which means it includes the numbers 0 to 9 and A through F. Forty converted to
hexadecimal is:
28
Roman Numerals is another number system. Below is forty in roman numerals:
XL
Scientific Notation
Sometimes calculators and scientists shorten numbers using scientific notation. Here is forty as a scientific notation:
4E+01
Math
Here are some math facts about Forty:
Forty is a rational number and an integer.
Forty is an even number because it is divisible by two.
Forty is divisible by the following numbers:
1, 2, 4, 5, 8, 10, 20, 40
Forty is not a square number because no number multiplied by itself will equal forty.
Number Lookup
Forty is not the only number we have information about. Go here to look up other numbers.

