202536181
This number is a composite.
 
The start of a record breaking run of 11 consecutive integers (202536181-202536191) with 4 prime factors each.  Note the beauty of the number 2025,361,81 which contains perfect squares.  [Gupta]
Printed from the PrimePages <t5k.org> © G. L. Honaker and Reginald McLean