Problem 2736. Pernicious Anniversary Problem
By solving this problem, you will make progress in the following group(s)
Sequences & Series II
- 15 Problems
- 89 Finishers
Basics - Prime Numbers
- 10 Problems
- 437 Finishers
The Prime Directive
- 14 Problems
- 37 Finishers
Since Cody is 5 years old, it's pernicious. A Pernicious number is an integer whose population count is a prime. Check if the given number is pernicious.
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1 Comment
Marco
on 1 Jan 2018
Very interesting problem!
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The Prime Directive
- 14 Problems
- 37 Finishers
- Find the nearest prime number
- Extra safe primes
- Prime factor digits
- Twin Primes
- Twins in a Window
- The Goldbach Conjecture
- The Goldbach Conjecture, Part 2
- Goldbach's marginal conjecture - Write integer as sum of three primes
- Sophie Germain prime
- Mersenne Primes vs. All Primes
- Circular Primes (based on Project Euler, problem 35)
- Numbers spiral diagonals (Part 2)
- Pernicious Anniversary Problem
- Prime Ladders
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