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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.
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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.
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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。
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