Problem 2051. is the number happy?
By solving this problem, you will make progress in the following group(s)
Magic Numbers II
- 14 Problems
- 70 Finishers
Number theory
- 44 Problems
- 21 Finishers
test is a given integer number is Happy of not?
answer 1 if yes or 0 is no
Solution Stats
Problem Comments
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1 Comment
Wesley Maa
on 21 Oct 2020
gotta be honest, I did a double take when I saw that numbers could be happy.
Solution Comments
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Magic Numbers II
- 14 Problems
- 70 Finishers
- First N Perfect Squares
- Determine if input is a perfect number
- Project Euler: Problem 9, Pythagorean numbers
- Recurring Cycle Length (Inspired by Project Euler Problem 26)
- Project Euler: Problem 9, Pythagorean numbers
- Recurring Cycle Length (Inspired by Project Euler Problem 26)
- Numbers with prime factors 2, 3 and 5.
- Mersenne Primes
- Determine if input is a Narcissistic number
- Determine if input is a perfect number
- Lychrel Number Test (Inspired by Project Euler Problem 55)
- Largest Twin Primes
- Happy 2013...
- Fermat's Last Theorem - Fermat's conjecture
- P-smooth numbers
- Is it an Armstrong number?
- Champernowne Constant
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