9848868889
This number is a prime.
Just showing those entries submitted by 'Gupta': (Click here to show all)
Smallest prime containing all composite digits only such
that its index (i.e., 448486669) also contain all composite
digits only. [Gupta]
Printed from the PrimePages <t5k.org> © G. L. Honaker and Reginald McLean