136217
This number is a prime.
The middle member P of the smallest Honaker prime
quintuplet {136177, 136207, 136217, 136237, 136247} that is
the arithmetic mean of the other four, i.e., (136177 +
136207 + 136237 + 136247)/4 = 36217. Curiously, P is also
expressible as the sum of two squares: (364^2+61^2). [Bajpai]
(There is one curio for this number that has not yet been approved by an editor.)
Printed from the PrimePages <t5k.org> © G. L. Honaker and Chris K. Caldwell