Narcissistic Numbers

This question was asked in the "Who wants to be a millionaire in Turkey" contest and the competitor, who did not know what the narcissist number was, withdrew without entering the answer.

Question is this:

Which of following numbers is not a narsist number? (so 3 of them are narsist) 

a) 153
b) 370
c) 371
d) 406

d) 406

https://en.wikipedia.org/wiki/Narcissistic_number

A number that is the sum of its own digits each raised to the power of the number of digits.

153  = 1³ + 5³ + 3³


4³ + 0³ + 6³ = 280  not 406  so 406 is not a narcissistic number.

What is the FE topic being debated in this thread, exactly?

What is the FE topic being debated in this thread, exactly?

The English Language.

I'm gonna move this over to the lounge instead of FE Debate