Problem 63 » 履歴 » バージョン 1
Noppi, 2024/01/27 15:59
| 1 | 1 | Noppi | [ホーム](https://redmine.noppi.jp) - [[Wiki|Project Euler]] |
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| 2 | # [[Problem 63]] |
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| 4 | ## Powerful Digit Counts |
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| 5 | The $5$-digit number, $16807=7^5$, is also a fifth power. Similarly, the $9$-digit number, $134217728=8^9$, is a ninth power. |
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| 7 | How many $n$-digit positive integers exist which are also an $n$th power? |
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| 9 | ## べき乗の桁の個数 |
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| 10 | $5$桁の数 $16807=7^5$は自然数を5乗した数である. 同様に$9$桁の数 $134217728=8^9$も自然数を9乗した数である. |
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| 12 | 自然数を $n$ 乗して得られる $n$ 桁の正整数は何個あるか? |
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| 14 | ```scheme |
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| 15 | ``` |