In base 10, the first few Zuckerman numbers with more than one digit are
11, 12, 15, 24, 36, 111, 112, 115, 128, 132, 135, 144, 175, 212, 216, 224, 312, 315, 384,...
One example of a 4-digit number is : 1115
And 1115 is the smallest four-digit integer, abcd, such that abcd/(a*b*c*d) is a prime number.
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