Is 21 a Composite Number?

Indeed it is! Twenty one is composite. And 21 is also how many Oreos I can eat in one sitting. I bet I could make more money if I just sold homework answers... Let that be a lesson to you.
What are the factors of 21?

Maybe you'd like to know what is the absolute value of -21?
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Random atomic facts:titanium vanadium chromium manganese iron cobalt nickel copper zinc gallium