56 lines
1.1 KiB
Markdown
56 lines
1.1 KiB
Markdown
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---
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id: 5900f4c71000cf542c50ffd8
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challengeType: 5
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videoUrl: ''
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localeTitle: 问题346：强大的Repunits
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---
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## Description
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<section id="description">数字7是特殊的，因为7是用基数2写的111，用基数6写的是11（即710 = 116 = 1112）。换句话说，7是至少两个碱基b> 1的重新排列。 <p>我们将调用一个正整数，该属性是一个强大的repunit。可以证实，在50以下有8个强大的重新命令：{1,7,13,15,21,31,40,43}。此外，1000以下的所有强大的重新命令的总和等于15864。 </p><p>找出1012以下所有强大的回购总和。 </p></section>
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## Instructions
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<section id="instructions">
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</section>
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## Tests
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<section id='tests'>
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```yml
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tests:
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- text: <code>euler346()</code>应该返回336108797689259260。
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testString: assert.strictEqual(euler346(), 336108797689259260);
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```
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</section>
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## Challenge Seed
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<section id='challengeSeed'>
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<div id='js-seed'>
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```js
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function euler346() {
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// Good luck!
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return true;
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}
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euler346();
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```
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</div>
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</section>
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## Solution
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<section id='solution'>
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```js
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// solution required
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```
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/section>
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