English Dictionary

perfect cube

名詞

(mathematics) An integer that is the product of three instances of another integer; equivalently, it is the product of an integer and its square.

日本語の意味

ある整数 n の3乗、すなわち n × n × n と表せる整数。 / 数学において、整数が別の整数の3回掛け合わせた結果になっている数（すなわち n とその平方との積）。

To check whether 27 is a perfect cube, you can see if its cube root is an integer.

27が完全立方数かどうかを調べるには、その立方根が整数かどうかを確かめればよい。

意味（1）

(mathematics) An integer that is the product of three instances of another integer; equivalently, it is the product of an integer and its square.

27 is a perfect cube, as it is equal to 3 × 3 × 3.

perfect cubes （ plural ）