Prime Curios!: 6761

6761
(another Prime Pages' Curiosity)

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The largest 4-digit prime which remains prime when 2 is added to any of its digits. I.e., 8761, 6961, 6781, and 6763 are primes. [Opao]

Regal Entertainment Group operates the largest and most geographically diverse theatre circuit in the United States, consisting of 6761 screens (as of July 29, 2010).

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

To link to this page use http://primes.utm.edu/curios/page.php?number_id=4144