Question

whether 18 is a perfect numbers ​

Answer 1

Step-by-step explanation:

1 + 2 + 3 + 6 + 9 = 6 + 6 + 9 = 12 + 9 = 21. Therefore, 18 is not perfect.

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Answer 2

Answer:

Hope it helps you ☺️

Step-by-step explanation:

No it's is not☺️