Ragini Singhal

CAT Preparation Community 10y 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

2

Shubham Sodhani 10y ago

The no. is 145.
1! + 4! + 5! => 1 + 24 + 120 = 145.
Therefore in ABC, B = 4.

Sumit Agarwal 8y ago

Such numbers are called factorions .


Only four factorians are known so far


1,2,145,40585

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