Thursday, January 31, 2013

9000

9000 = 2 x 2 x 2 x 3 x 3 x 5 x 5 x 5.

9000 has two representations as a sum of two squares: 9000 = 302 + 902 = 542 + 782.

9000 is the index of a triangular number containing only three different digits.

9000 is a centered cube number.

9000 is the number of palindromes of length 8 (A050683).


The BFG-9000 is the most powerful weapon in the video game series Doom.

Source: What's Special About This Number?

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