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julio73/armstrong_number.py

Last active August 29, 2015 14:07
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armstrong_number.py
"""
An Armstrong number is an n-digit number that is equal to the sum of the nth powers of its digits
"""
def isArmstrongNumber(x):
return sum([n**len(str(x)) for n in [int(d) for d in list(str(x))]]) == x
[x for x in range(100000) if isArmstrongNumber(x)]
#=> [0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 153, 370, 371, 407, 1634, 8208, 9474, 54748, 92727, 93084]
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