163800
This number is a composite.
163800 = sigma(1!2*6!2*3!2*8!2*3!2*0!2*0!2). Note that 163800 is the smallest multi-digit number with this property. [Firoozbakht]
Printed from the PrimePages <t5k.org> © G. L. Honaker and Chris K. Caldwell
This number is a composite.
163800 = sigma(1!2*6!2*3!2*8!2*3!2*0!2*0!2). Note that 163800 is the smallest multi-digit number with this property. [Firoozbakht]