Last Updated
：2025/11/25
Kaprekar number
Noun
Japanese Meaning
カプレカ数：数学における非負の整数で、その平方数を基本となる数字表現の中で、ある位置で二つに分割したとき、その二つの数の和が元の数になるもの。例として、297の場合、平方数88209を88と209に分割し、88+209=297となる点が挙げられる。
（ plural ）
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(mathematics) A non-negative integer, the representation of whose square in its base can be split into two parts that add up to itself (such as 297, whose square, 88209, can be split into 88 and 209, totalling 297).
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Kaprekar number
A Kaprekar number like 297 demonstrates a curious property: squaring it yields 88209, which can be split into 88 and 209 that add back to 297.
See correct answer
A Kaprekar number like 297 demonstrates a curious property: squaring it yields 88209, which can be split into 88 and 209 that add back to 297.
音声機能が動作しない場合はこちらをご確認ください
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