1.1 KiB
1.1 KiB
id | challengeType | title | forumTopicId |
---|---|---|---|
5900f3fd1000cf542c50ff10 | 5 | Problem 145: How many reversible numbers are there below one-billion? | 301774 |
Description
There are 120 reversible numbers below one-thousand.
How many reversible numbers are there below one-billion (109)?
Instructions
Tests
tests:
- text: <code>euler145()</code> should return 608720.
testString: assert.strictEqual(euler145(), 608720);
Challenge Seed
function euler145() {
// Good luck!
return true;
}
euler145();
Solution
// solution required