9 (number) - Simple English Wikipedia, the free encyclopedia
https://simple.m.wikipedia.org/wiki/9_(number)
WEBNine is the Arabic number which comes after 8 and before 10. It is an odd number, and is the highest single-digit number. It is also a square number. In Roman numerals, nine can be written as IX . Mathematics. The number nine (9) takes the shape of an upside-down six (6), is a multiple of 3, and the third square number after 4 .
DA: 19 PA: 17 MOZ Rank: 36