Solution to Embedly problem #1

gistfile1.py

from math import factorial
from operator import add
from itertools import count

def R(n):
    return reduce(add, map(int, str(factorial(n))))

if __name__ == "__main__":
    #Brute force works just fine on my makbook air so...
    for n in count():
        Rn = R(n)
        if Rn == 8001: 
            print "The lowest number whose R is 8001 is %d" %n
            break