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.

Whizlabs
Skills you'll gain: Amazon Web Services, Virtual Private Networks (VPN), Network Routing, Network Architecture, General Networking, Network Security, Network Monitoring
Beginner · Course · 1 - 4 Weeks

EDHEC Business School
Skills you'll gain: Influencing, Organizational Leadership, Leadership, Self-Awareness, Thought Leadership, Leadership Development, Relationship Management, Emotional Intelligence
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Git (Version Control System), Version Control, DevOps, Software Development Life Cycle, Systems Development Life Cycle, Linux Administration, Software Development, Software Development Methodologies, File Management
Beginner · Course · 1 - 4 Weeks

University of Maryland, College Park
Skills you'll gain: Team Motivation, Negotiation, Team Leadership, Product Roadmaps, Team Building, Organizational Leadership, Conflict Management, Leadership, Scaled Agile Framework, Strategic Leadership, Agile Methodology, Leadership and Management, Product Management, Business Leadership, Team Management, People Development, Cross-Functional Collaboration, Product Development, Product Strategy, Decision Making
Beginner · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Crisis Management, Threat Management, Threat Detection, Infrastructure Security, Resilience, Disaster Recovery, Emergency Response, Business Ethics, Risk Management, Organizational Change, Systems Thinking, Hazard Analysis, Safety and Security, Risk Analysis, Industrial and Organizational Psychology, Complex Problem Solving, Ethical Standards And Conduct, Decision Making, Leadership, Case Studies
Build toward a degree
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Cloud Infrastructure, Cloud Development, Load Balancing, Cloud Computing, Cloud Applications, Cloud Computing Architecture, Cloud Platforms, Cloud Solutions, Scalability, Microsoft Azure, Application Deployment, Amazon Web Services, ASP.NET, Disaster Recovery, Capacity Management
Intermediate · Course · 1 - 4 Weeks

Whizlabs
Skills you'll gain: Role-Based Access Control (RBAC), Authentications, Azure Active Directory, Identity and Access Management, User Provisioning, Multi-Factor Authentication, Authorization (Computing), Zero Trust Network Access, Single Sign-On (SSO)
Beginner · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Intrusion Detection and Prevention, Threat Detection, Endpoint Detection and Response, Distributed Denial-Of-Service (DDoS) Attacks, Threat Management, Anomaly Detection, Continuous Monitoring, System Monitoring, Virtual Machines, Network Security, Event Monitoring, Network Monitoring, Network Analysis
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Canva (Software), Marketing Design, Graphic Design, Color Theory, Graphic and Visual Design Software, Graphic and Visual Design, Creative Design, Marketing Collateral, Content Creation, Marketing, Business Communication, Entrepreneurship
Beginner · Guided Project · Less Than 2 Hours
SAE Institute México
Skills you'll gain: Musical Composition, Music Theory, Music, Aesthetics, Post-Production
Beginner · Course · 1 - 3 Months

Skills you'll gain: Responsive Web Design, Typography, Web Design and Development, Front-End Web Development, Cascading Style Sheets (CSS), Figma (Design Software), Browser Compatibility, Hypertext Markup Language (HTML), Wireframing, User Interface (UI) Design, Interactive Design, User Interface (UI), Web Content Accessibility Guidelines, Usability, Animations
Intermediate · Course · 3 - 6 Months

Johns Hopkins University
Skills you'll gain: Research, Research Design, Consumer Behaviour, Influencing, Persuasive Communication, Ethical Standards And Conduct, Marketing Psychology, Behavioral Economics, Biomedical Technology, Experimentation, Neurology, Marketing, Data Analysis, Statistical Analysis
Intermediate · Course · 1 - 3 Months