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Collections are a way for you to organize kata so that you can create your own training routines. Every collection you create is public and automatically sharable with other warriors. After you have added a few kata to a collection you and others can train on the kata contained within the collection.
Get started now by creating a new collection.
Hi,
You need to determine if the sum of the digits is a perfect number. To do this, cut out the value then iterate over it.
Calculate the sum of the digits raised to the requested power. You get a number that is or is not a narcissistic number (or a plus perfect number).