<b>Aurian Number</b>.pdf
收藏DataCite Commons2025-04-19 更新2025-09-08 收录
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An Aurian Number is a positive integer in which the result of subtracting all its digits from right to left (starting from the last digit and subtracting each previous one) is equal to the difference between the sum and product of its digits. Let a number N have digits: N = d1 d2 d3 ... dk Step 1 – Subtractive Reduction: Subtract = dk - d(k-1) - d(k-2) - ... - d1 Step 2 – Sum and Product of Digits: Sum = d1 + d2 + ... + dk Product = d1 × d2 × ... × dk Aurian Condition: If Subtract == (Sum - Product), then the number is called an Aurian Number.10.6084/m9.figshare.28827293
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2025-04-19
