Magic Numbers II (Public)

Curated by : goc3

Additional challenges testing or generating numbers with special characteristics.

Magic Numbers II Master

+50 points

Problem Title	Likes	Solvers
First N Perfect Squares Created by: @bmtran (Bryant Tran) Tags perfect squares, math, integers	1	558
Project Euler: Problem 9, Pythagorean numbers Created by: Doug Hull Tags projecteuler	3	134
Recurring Cycle Length (Inspired by Project Euler Problem 26) Created by: @bmtran (Bryant Tran) Tags project euler, digits, decimals	0	42
Numbers with prime factors 2, 3 and 5. Created by: elias GR Tags factors, primes	1	88
Mersenne Primes Created by: Drew Weymouth Tags prime number, prime, mersenne	0	128
Determine if input is a Narcissistic number Created by: Binbin Qi Tags mod floor	0	86
Determine if input is a perfect number Created by: Binbin Qi Tags mod sum, perfect	0	106
Lychrel Number Test (Inspired by Project Euler Problem 55) Created by: @bmtran (Bryant Tran) Tags plus15, projecteuler	0	41
Largest Twin Primes Created by: Des Mc Manus Tags primes	0	119
Happy 2013... Created by: James Tags new year, different digits, 2013	7	93
Fermat's Last Theorem - Fermat's conjecture Created by: Marco Castelli Tags fermat, matlab, find	1	45
P-smooth numbers Created by: Richard Zapor Tags primes, mod, find	0	30
Is it an Armstrong number? Created by: Harish Maradana Tags armstrong no	1	161
Champernowne Constant Created by: G K Tags math	0	24

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