There are 827 Ulam numbers below ten thousand.
The smallest prime formed from the concatenation of two consecutive cubes. [Gupta]
The Unabridged Running Press Edition of the American classic Gray's Anatomy contains 827 illustrations.
The largest distinct-digit prime whose the reversal is a nude number, i.e., a number that is divisible by all of its
(There is one curio for this number that has not yet been approved by an editor.)
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