Narcissistic number ?
Inspired by Problem 2056 created by Ted.
In recreational number theory, a narcissistic number is a number that is the sum of ...
3年以上 前
解決済み
Determine if input is a Narcissistic number
<http://en.wikipedia.org/wiki/Narcissistic_number Narcissistic number> is a number that is the sum of its own digits each raised...
3年以上 前
解決済み
Determine if input is a perfect number
A <http://en.wikipedia.org/wiki/Perfect_number/ perfect number> occurs whent the sum of all divisors of a positive integer, exce...
3年以上 前
解決済み
Is it an Armstrong number?
An Armstrong number of three digits is an integer such that the sum of the cubes of its digits is equal to the number itself. Fo...