Cody

Problems

1 – 14 of 14
Problem Title
Likes
Solvers
Difficulty

Problem 1012. Determine if input is a perfect number

Created by: Binbin Qi

Tags mod sum, perfect

1

161

Problem 170. First N Perfect Squares

Created by: @bmtran (Bryant Tran)

Tags math, perfect squares, integers

5

710

Problem 1407. Is it an Armstrong number?

Created by: Harish Maradana

Tags armstrong no

3

246

Problem 1008. Determine if input is a Narcissistic number

Created by: Binbin Qi

Tags mod floor

2

139

Problem 1162. Happy 2013...

Created by: James

Tags new year, different digits, 2013

8

136

Problem 1298. P-smooth numbers

Created by: Richard Zapor

Tags primes, find, mod

1

63

Problem 1281. Fermat's Last Theorem - Fermat's conjecture

Created by: Marco Castelli

Tags matlab, find, sum

3

77

Problem 1096. Largest Twin Primes

Created by: Des Mc Manus

Tags primes

2

340

Problem 525. Mersenne Primes

Created by: Drew Weymouth

Tags math, prime, integers

4

383

Problem 1082. Lychrel Number Test (Inspired by Project Euler Problem 55)

Created by: @bmtran (Bryant Tran)

Tags projecteuler, plus15

1

65

Problem 365. Numbers with prime factors 2, 3 and 5.

Created by: elias GR

Tags primes, factors

3

292

Problem 249. Project Euler: Problem 9, Pythagorean numbers

Created by: Doug Hull

Tags projecteuler

5

535

Problem 1477. Champernowne Constant

Created by: G K

Tags math

2

55

Problem 273. Recurring Cycle Length (Inspired by Project Euler Problem 26)

Created by: @bmtran (Bryant Tran)

Tags project euler, digits, decimals

3

75
1 – 14 of 14