Source: wikibot/dudeney-number
= Dudeney number
{wiki=Dudeney_number}
A Dudeney number is a special kind of integer that is both a perfect cube and the sum of its digits equals the cube root of the number itself. In mathematical terms, a Dudeney number \\( n \\) satisfies the condition: \\\[ n = a^3 \\quad \\text\{and\} \\quad \\text\{sum of the digits of \} n = a \\\] where \\( a \\) is a positive integer.