36
This number is a composite.
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The word 'PRIMETEST' is prime when written in radix 36 using 'A'=10, 'B'=11, ... 'Z'=36.
In decimal this number is 72684117341741. [Caldwell]
Printed from the PrimePages <t5k.org> © G. L. Honaker and Chris K. Caldwell