503

This number is a prime.

Just showing those entries submitted by 'Loungrides': (Click here to show all)

Heather Lundy © 2002
+ The smallest prime of the form 2x-x, where x is a composite number. [Loungrides]

+ The only 3-digit Cyclops prime of form p0q, where p, q are consecutive primes, i.e., (3, 5). [Loungrides]

(There is one curio for this number that has not yet been approved by an editor.)

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