+ 1

Find curious Number

145 is a curious number, as 1! + 4! + 5! = 1 + 24 + 120 = 145. Find the sum of all numbers which are equal to the sum of the factorial of their digits. Note: as 1! = 1 and 2! = 2 are not sums they are not included.

3rd Aug 2017, 6:49 PM
RANJAN KUMAR SINGH
RANJAN KUMAR SINGH - avatar
3 odpowiedzi
3rd Aug 2017, 7:42 PM
Kuba Siekierzyński
Kuba Siekierzyński - avatar
3rd Aug 2017, 8:26 PM
Shamima Yasmin
Shamima Yasmin - avatar
4th Aug 2017, 8:14 AM
Amit Dubey
Amit Dubey - avatar