1110699domain: NAppears in sequencesSmallest number > 1 equal to sum of n-th powers of its base-7 digits, or 0 if no such number exists (written in base 10).at n=9A033839Base 7 perfect digital invariants (written in base 10): numbers equal to the sum of the k-th powers of their base-7 digits, for some k.at n=33A162228