28613...02081 (39-digits)

This number is a composite.

286134470 8598612854 2376785615 6329902081

Single Curio View: (Seek other curios for this number)

3877845186615648345*2⁶⁶ + 1 is a Proth number as well as a Sierpinski number. [Wesolowski]

Submitted: 2009-08-11 10:18:59; Last Modified: 2009-08-11 12:19:59.