Cody

Problems

1 – 5 of 5
Problem Title
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Problem 2492. Factorions: Numbers that equal the sum of the factorials of their digits

Created by: Peter Cook

Tags factorial, factorion

2

53

Problem 2491. Dudeney Numbers: Numbers which are the cube of their decimal sum

Created by: Peter Cook

Tags cube, a061209, dudeney

1

54

Problem 2319. Pandigital number n°1 (Inspired by Project Euler 32)

Created by: Jean-Marie Sainthillier

Tags project euler, pandigital number

1

67

Problem 1673. Pandiagonal Prime Magic Square Verification

Created by: Richard Zapor

Tags prime, magic square, pandiagonal

0

20

Problem 2051. is the number happy?

Created by: Ted

Tags math, happy number

0

54
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