Problem 2051. is the number happy?
test is a given integer number is Happy of not?
answer 1 if yes or 0 is no
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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.
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Magic Numbers III
- 15 Problems
- 10 Finishers
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- Find all vampire fangs
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- Pandigital number n°1 (Inspired by Project Euler 32)
- Pandigital number n°2 (Inspired by Project Euler 32)
- Pandigital number n°3 (Inspired by Project Euler 32)
- Pandigital Factors (Based on Euler 491)
- Dudeney Numbers: Numbers which are the cube of their decimal sum
- Factorions: Numbers that equal the sum of the factorials of their digits
- Optimum Egyptian Fractions
- Prime Ladders
- Leftovers? Again?!
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