freeCodeCamp/curriculum/challenges/english/10-coding-interview-prep/project-euler/problem-63-powerful-digit-counts.md

id	challengeType	title	forumTopicId
5900f3ab1000cf542c50febe	5	Problem 63: Powerful digit counts	302175

Description

The 5-digit number, 16807 = 7⁵, is also a fifth power. Similarly, the 9-digit number, 134217728 = 8⁹, is a ninth power.

How many n-digit positive integers exist which are also an nth power?

Instructions

Tests

tests:
  - text: <code>powerfulDigitCounts()</code> should return a number.
    testString: assert(typeof powerfulDigitCounts() === 'number');
  - text: <code>powerfulDigitCounts()</code> should return 49.
    testString: assert.strictEqual(powerfulDigitCounts(), 49);

Challenge Seed

function powerfulDigitCounts() {

  return true;
}

powerfulDigitCounts();

Solution

// solution required