Number theory courses can help you learn prime numbers, divisibility rules, modular arithmetic, and integer properties. You can build skills in problem-solving, logical reasoning, and algorithmic thinking, that support tackling complex mathematical challenges. Many courses introduce tools like Python for implementing algorithms and mathematical software for exploring number patterns, enabling you to apply your knowledge in practical situations such as cryptography and coding theory.

Johns Hopkins University
Skills you'll gain: Code Review, GitHub, Git (Version Control System), Version Control, Docker (Software), Software Development Tools, Continuous Integration, Containerization, Bioinformatics, Informatics, Automation, Data Analysis, R Programming
Advanced · Course · 1 - 3 Months

Skills you'll gain: Process Mapping, Six Sigma Methodology, Lean Six Sigma, Quality Improvement, Quality Management, Process Analysis, Process Improvement, Data-Driven Decision-Making, Business Process, Continuous Improvement Process, Team Oriented, Statistical Process Controls, Pareto Chart, Statistics, Statistical Methods, Root Cause Analysis
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Video Game Development, 3D Assets, Virtual Environment, Simulation and Simulation Software, Animations, 3D Modeling, Visualization (Computer Graphics), Simulations, Computer Graphics, Data Pipelines, Scripting, Debugging
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Serverless Computing, Containerization, Application Programming Interface (API), Hybrid Cloud Computing, Platform As A Service (PaaS), Cloud Infrastructure, Google Cloud Platform, Cloud Applications, Cloud Computing Architecture, Multi-Cloud, Cloud Computing, Kubernetes, Microservices, Virtual Machines, Leadership and Management, Finance
Beginner · Course · 1 - 4 Weeks

Birla Institute of Technology & Science, Pilani
Skills you'll gain: Game Design, Video Game Development, Live Streaming, Animation and Game Design, Systems Thinking, Aesthetics, Social Sciences, Economics, Policy, and Social Studies, Liberal Arts, Culture, Education and Training, Social Impact, Electronic Media, Psychology, Interactive Learning, Storytelling, User Experience, Media Strategy, Critical Thinking, Digital Media Strategy
Beginner · Course · 1 - 3 Months

Skills you'll gain: Brute-force attacks, Cryptography, Encryption, Python Programming, Scripting, User Interface (UI), Statistical Programming, UI Components, Application Development
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Linux, Linux Administration, Red Hat Enterprise Linux, File Systems, Scripting, Linux Servers, Shell Script, System Configuration, Linux Commands, Unix Shell, Unix Commands, Systems Administration, Web Servers, System Monitoring, Command-Line Interface, OS Process Management, Performance Tuning, Service Management, User Accounts
Mixed · Course · 1 - 4 Weeks

The Open University
Skills you'll gain: Sustainable Business, Systems Thinking, Sustainable Development, Corporate Sustainability, Stakeholder Analysis, Sustainability Standards, Business Systems Analysis, Process Mapping, Complex Problem Solving, Innovation, Problem Solving, Interviewing Skills
Intermediate · Course · 1 - 4 Weeks

Whizlabs
Skills you'll gain: Amazon Web Services, Virtual Networking, Network Architecture, Virtual Private Networks (VPN), Cloud Computing Architecture, Cloud Infrastructure, Load Balancing, Network Routing, Hybrid Cloud Computing, Network Security, File Transfer Protocol (FTP), Data Migration
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Cash Flows, Business Valuation, Financial Statement Analysis, Financial Analysis, Balance Sheet, Financial Modeling, Profit and Loss (P&L) Management, Business Metrics, Case Studies, Return On Investment, Financial Forecasting, Market Analysis, Market Dynamics
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Apache Kafka, Real Time Data, Data Pipelines, JSON, Java, Docker (Software), Software Versioning
Intermediate · Course · 3 - 6 Months

Skills you'll gain: Git (Version Control System), GitHub, Version Control, CI/CD, DevOps, Debugging, Continuous Integration, Continuous Deployment, Infrastructure as Code (IaC), Application Security, Development Environment, File Management, Continuous Monitoring
Beginner · Course · 1 - 4 Weeks