Here is information about "nine" that you may find useful and interesting.
Number Systems
Nine is a decimal number and can be written with numbers:
9
Binary is a number system with only 0s and 1s. Nine in binary form is displayed below:
1001
A Hexadecimal number has a base of 16 which means it includes the numbers 0 to 9 and A through F. Nine converted to
hexadecimal is:
9
Roman Numerals is another number system. Below is nine in roman numerals:
IX
Scientific Notation
Sometimes calculators and scientists shorten numbers using scientific notation. Here is nine as a scientific notation:
9E+00
Math
Here are some math facts about Nine:
Nine is a rational number and an integer.
Nine is an odd number because it is not divisible by two.
Nine is divisible by the following numbers:
1, 3, 9
Nine is a square number because 3 multiplied by itself will equal nine.
Number Lookup
Nine is not the only number we have information about. Go here to look up other numbers.

