What is the smallest integer $b > 3$ for which the base $b$ number $23_b$ is a perfect square?
Question:
What is the smallest integer $b > 3$ for which the base $b$ number $23_b$ is a perfect square?
Answer:
Let's think step by step.

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What is the smallest integer $b > 3$ for which the base $b$ number $23_b$ is a perfect square?
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