freeCodeCamp/problem-63-powerful-digit-counts.english.md at 908adc2c372f2c1af0c8d1c80b264c23f96fd7d7

mrugesh 22afc2a0ca feat(learn): python certification projects (#38216 )

Co-authored-by: Oliver Eyton-Williams <ojeytonwilliams@gmail.com>
Co-authored-by: Kristofer Koishigawa <scissorsneedfoodtoo@gmail.com>
Co-authored-by: Beau Carnes <beaucarnes@gmail.com>

2020-05-27 13:19:08 +05:30

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id, challengeType, isHidden, title, forumTopicId

id	challengeType	isHidden	title	forumTopicId
5900f3ab1000cf542c50febe	5	false	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() {
  // Good luck!
  return true;
}

powerfulDigitCounts();

Solution

// solution required

1.1 KiB Raw Blame History