Cody

Problems

1 – 14 of 14
Problem Title
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Difficulty

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

Created by: Jean-Marie Sainthillier

Tags project euler, pandigital number

1

80

Problem 52639. Determine whether a number is unprimeable

Created by: ChrisR

Tags primes, project euler

3

14

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

Created by: Jean-Marie Sainthillier

Tags project euler, pandigital number

2

47

Problem 42377. Bouncy numbers

Created by: Jean-Marie Sainthillier

Tags project euler, bouncy numbers

2

33

Problem 2337. Sum of big primes without primes

Created by: Jean-Marie Sainthillier

Tags primes, project euler, eratosthenes

3

132

Problem 52881. List the cuban primes

Created by: ChrisR

Tags primes, project euler, sequence

1

8

Problem 2340. Numbers spiral diagonals (Part 1)

Created by: Jean-Marie Sainthillier

Tags primes, project euler, spiral

3

178

Problem 44732. Highly divisible triangular number (inspired by Project Euler 12)

Created by: goc3

Tags series, triangle, projecteuler

1

95

Problem 42673. Longest Collatz Sequence

Created by: Jean-Marie Sainthillier

Tags project euler, collatz number

7

85

Problem 252. Project Euler: Problem 16, Sums of Digits of Powers of Two

Created by: @bmtran (Bryant Tran)

Tags project euler, big integer, digits

2

127

Problem 44733. Large Sum (inspired by Project Euler 13)

Created by: goc3

Tags string, project euler, large number

2

75

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

Created by: Jean-Marie Sainthillier

Tags project euler, pandigital number

2

31

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

Created by: @bmtran (Bryant Tran)

Tags project euler, digits, decimals

3

110

Problem 2342. Numbers spiral diagonals (Part 2)

Created by: Jean-Marie Sainthillier

Tags primes, project euler, spiral

2

122
1 – 14 of 14