12233...99899 (45-digits)

This number is a composite.

                           12233 3444455555 6666667777 7778888889 9998999899

Single Curio View:   (Seek other curios for this number)
The smallest semiprime composed of one 1, two 2's, ..., nine 9's. That is 122333444455555666666777777788888899998999899/3 = 40777814818518555555592592596296299999666633 is prime. [Poo Sung]

Submitted: 2009-07-29 22:34:16;   Last Modified: 2009-07-29 22:40:56.
Printed from the PrimePages <primes.utm.edu> © G. L. Honaker and Chris K. Caldwell