This number is a composite.
Single Curio View: (Seek other curios for this number)There are 102 distinct digit primes p for which 10*p+1, 10*p+3, 10*p+7 and 10*p+9 are primes. [Gupta]
Submitted: 2020-07-13 19:05:09; Last Modified: 2020-07-13 19:05:57.
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