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9 years ago
And is a three digit number in which A>0.Yhe value of ABC is equal to sum of factorial of its three digits. What is value of B
7 years, 5 months ago
Such numbers are called factorions .
Only four factorians are known so far
1,2,145,40585
9 years ago
The no. is 145.
1! + 4! + 5! => 1 + 24 + 120 = 145.
Therefore in ABC, B = 4.