# 141

This number is a composite.

*n* x 2^{n} + 1 is a Cullen prime if *n* = 141. The largest known case if *n* is palindromic.

A lucky number indexed by a prime number. [De Geest]

(There are 2 curios for this number that have not yet been approved by an editor.)

Printed from the PrimePages <primes.utm.edu> © G. L. Honaker and Chris K. Caldwell