8220
This number is a composite.
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8220 and its reversal 0228 are both sandwiched between twin
primes. (8219 is prime , 8221 is prime ), (227 is prime ,
229 is prime ). [Post]
Submitted: 2009-08-12 03:51:18; Last Modified: 2009-08-12 17:13:40.
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