The largest pandigital (digits 0 – 9) smith number is : The smallest pandigital (digits 0 – 9) smith number is : The largest zeroless pandigital (digits 1 – 9) smith number is : Therefore 22 is a Smith number because 2 + 2 = 2 + 1 + 1. A Smith number is a composite number for which, in a given base (in base 10 by default), the sum of its digits is equal to the sum of the digits in its prime factorization.ģ78 = 2 * 3 * 3 * 3 * 7 is a Smith number since 3 + 7 + 8 = 2 + 3 + 3 + 3 + 7Ģ2 = 2 * 11 and yields three digits: 2, 1, 1.
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