54261
This number is a composite.
The largest number n such that n and sigma(n) contain all
digits from 0 to 9 exactly once only. [Gupta]
Printed from the PrimePages <t5k.org> © G. L. Honaker and Chris K. Caldwell
This number is a composite.
The largest number n such that n and sigma(n) contain all
digits from 0 to 9 exactly once only. [Gupta]