最終更新日：2024/07/30

(mathematics) A number whose decimal representation of its square ends in itself.

正解を見る

automorphic number

問題を編集する

元となった辞書の項目

automorphic number

noun

(mathematics) A number whose decimal representation of its square ends in itself.

An automorphic number is a number that is equal to the last digit(s) of its square.

意味（1）

(mathematics) A number whose decimal representation of its square ends in itself.

5 is an automorphic number because 5² = 25, which ends in 5.