Magic Numbers III

Curated by : goc3

Average Problem Difficulty:

Create functions to make the answers magically appear.

Community Group Solver

+50 points

Problem Title	Likes	Solvers
Problem 1477. Champernowne Constant Created by: G K Tags math	3	79
Problem 1673. Pandiagonal Prime Magic Square Verification Created by: Richard Zapor Tags prime, magic square, pandiagonal	0	35
Problem 1697. Make a Pandiagonal Prime Magic Square: 11 x 11 Created by: Richard Zapor Tags primes, magic square, pandiagonal	2	14
Problem 1804. Fangs of a vampire number Created by: Andrew Newell Tags factors, number theory	5	98
Problem 1825. Find all vampire fangs Created by: Andrew Newell Tags factors, number theory	2	70
Problem 2051. is the number happy? Created by: Ted Tags math, happy number	0	68
Problem 2319. Pandigital number n°1 (Inspired by Project Euler 32) Created by: Jean-Marie Sainthillier Tags project euler, pandigital number	1	102
Problem 2320. Pandigital number n°2 (Inspired by Project Euler 32) Created by: Jean-Marie Sainthillier Tags project euler, pandigital number	2	59
Problem 2323. Pandigital number n°3 (Inspired by Project Euler 32) Created by: Jean-Marie Sainthillier Tags project euler, pandigital number	2	39
Problem 2721. Pandigital Factors (Based on Euler 491) Created by: James Tags projecteuler, pandigital	2	35
Problem 2491. Dudeney Numbers: Numbers which are the cube of their decimal sum Created by: Peter Cook Tags cube, a061209, dudeney	2	72
Problem 2492. Factorions: Numbers that equal the sum of the factorials of their digits Created by: Peter Cook Tags factorial, factorion	2	76
Problem 2838. Optimum Egyptian Fractions Created by: Jan Orwat Tags recursion, optimization, egyptian fraction	0	15
Problem 1394. Prime Ladders Created by: Ned Gulley Tags primes	10	48
Problem 1672. Leftovers? Again?! Created by: James Tags leftovers, modulo	4	28

Recent Group Finishers10

Recent Activity

	Riccardo G. submitted Solution 14538816 to Problem 2051. is the number happy? on 7 Feb 2025
	Etai submitted Solution 14534985 to Problem 1673. Pandiagonal Prime Magic Square Verification on 31 Jan 2025
	.M.A. submitted Solution 14525217 to Problem 2051. is the number happy? on 16 Jan 2025
	Alexander Ross submitted Solution 14456451 to Problem 2319. Pandigital number n°1 (Inspired by Project Euler 32) on 9 Dec 2024
	NMTri submitted Solution 14415452 to Problem 1673. Pandiagonal Prime Magic Square Verification on 30 Nov 2024

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