3797

This number is a prime.

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3797 is the only four-digit prime, in which: i.The first digit and the last digit are primes (3,7). ii.The first two-digit number, the second two-digit number and the third two-digit number are primes (37,79,97). iii.The first and the last three-digit numbers are primes (379,797). [Sreechakra]

Submitted: 2002-06-18 10:19:05;   Last Modified: 2018-12-11 16:11:58.
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