Smith numbers are composite numbers, whose sum of the digits is equal to the sum of the digits in its prime factorization. Two consecutive smith numbers are termed as smith brothers. This is a simple online smith number calculator to check if a number is a smith number or not. This smith number checker will automatically find the sum of its digits and sum of its digits in its prime factorization to check whether the number is smith number or not.
Smith numbers are composite numbers, whose sum of the digits is equal to the sum of the digits in its prime factorization. Two consecutive smith numbers are termed as smith brothers. This is a simple online smith number calculator to check if a number is a smith number or not. This smith number checker will automatically find the sum of its digits and sum of its digits in its prime factorization to check whether the number is smith number or not.
Sum of Digits (2+8) = 10
Prime factors of 28 are 2,2 and 7.
Sum of prime factors = 11
Since, sum of digits is not equal to sum of the prime factors of 28, it isnot a smith number