OpenGenus/cosmos

Check if number is a perfect number

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#436 opened on Oct 4, 2017

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Description

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Research direction
Implement a function to check if a number is a perfect number. Understand the definition: a perfect number is a positive integer that is equal to the sum of its proper divisors (excluding itself). Write efficient code, handle edge cases like negative numbers and zero.
Tech stack
None
Domain
backend
Issue type
Feature
DifficultyEstimated implementation difficulty for a new contributor, from 1 for very small changes to 5 for expert-level work.
1
Estimated timeA rough time range for an experienced contributor to investigate, implement, test, and prepare a pull request.
Under 1 hour
Activity statusHow available the issue appears right now: fresh, active, stale, blocked, or waiting on maintainer input.
Active
ClarityHow clearly the issue explains the expected change, acceptance criteria, and next step.
Mostly clear
Prerequisites
Git
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
85