22453
This number is a prime.
The smallest prime whose sum of squares of its digits at
odd positions equals the same prime as the sum of squares
of its digits at even positions: 22 +
42 + 32 = 22 +
52 = 29 [Gudipati]
Printed from the PrimePages <t5k.org> © G. L. Honaker and Reginald McLean