AQuA-RAT train #74492 · Number Theory · Digits
The digit sum of the year 2007 is 2 + 0 +…
The digit sum of the year 2007 is 2 + 0 + 0 + 7 = 9, which is a square number. How many years during the twenty-first century have a square digital sum?
AQuA-RAT — Algebra Question Answering with Rationales (Ling et al., DeepMind, 2017) · train #74492
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