24678050

Appears in sequences

• Smallest n-th order perfect digital invariant or PDI: smallest number > 1 equal to sum of n-th powers of its digits, or 0 if no such number exists.at n=7A003321
• Armstrong (or pluperfect, or Plus Perfect, or narcissistic) numbers: m-digit nonnegative numbers equal to sum of the m-th powers of their digits.at n=25A005188
• Smallest n-digit narcissistic (or Armstrong) number: smallest n-digit number equal to sum of n-th powers of its digits (or 0 if no such number exists).at n=7A014576
• Perfect Digital Invariants: numbers that are the sum of some fixed power of their digits.at n=29A023052
• Fixed points for operation of repeatedly replacing a number with the sum of the eighth power of its digits.at n=2A124069
• Irregular table of perfect digital invariants for n > 1, i.e., numbers equal to the sum of n-th powers of their digits, read by rows.at n=44A252648
• Numbers k such that A101337(k)/k is an integer.at n=32A306360