Cody

Problems

1 – 10 of 10
Problem Title
Likes
Solvers
Difficulty

Problem 2051. is the number happy?

Created by: Ted

Tags math, happy number

0

59

Problem 2721. Pandigital Factors (Based on Euler 491)

Created by: James

Tags projecteuler, pandigital

2

34

Problem 2320. Pandigital number n°2 (Inspired by Project Euler 32)

Created by: Jean-Marie Sainthillier

Tags project euler, pandigital number

2

44

Problem 1804. Fangs of a vampire number

Created by: Andrew Newell

Tags factors, number theory

4

78

Problem 1477. Champernowne Constant

Created by: G K

Tags math

2

66

Problem 1825. Find all vampire fangs

Created by: Andrew Newell

Tags factors, number theory

2

53

Problem 2838. Optimum Egyptian Fractions

Created by: Jan Orwat

Tags recursion, optimization, egyptian fraction

0

14

Problem 2323. Pandigital number n°3 (Inspired by Project Euler 32)

Created by: Jean-Marie Sainthillier

Tags project euler, pandigital number

2

29

Problem 1672. Leftovers? Again?!

Created by: James

Tags leftovers, modulo

4

23

Problem 1697. Make a Pandiagonal Prime Magic Square: 11 x 11

Created by: Richard Zapor

Tags primes, magic square, pandiagonal

2

13
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