A thousand
Chat with our AI personalities
999,000,000,001...if we are using only whole numbers
0.3333
9+90=99 (90 is ten times as much as 9)
99 is not a prime number because it has more factors than 1 and itself. The factors of 99 are 1, 3, 9, 11, 33, and 99.
99 Or how about (9)9 ?