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.

The University of Sydney
Skills you'll gain: Critical Thinking, Systems Thinking, Analytical Skills, Complex Problem Solving, Research, Ethical Standards And Conduct, Investigation, Self-Awareness, Communication
Beginner · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Sustainable Business, Sustainable Development, Systems Thinking, Sustainability Standards, Corporate Sustainability, Waste Minimization, Strategic Leadership, Professional Development, Business Modeling, Change Management, Leadership, Self-Awareness, Professional Networking
Build toward a degree
Beginner · Course · 1 - 4 Weeks

Indian Institute of Science
Skills you'll gain: Engineering Documentation, Biomedical Engineering, Medical Devices, Technical Documentation, Electronic Systems, Electronic Components, Technical Communication, Materials science, Manufacturing Processes, Prototyping
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Instrumental Music, Music, Musical Composition, Media Production, Post-Production, Music Theory, Editing
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Software Design Patterns, Software Design, C++ (Programming Language), Software Architecture, Programming Principles, Object Oriented Programming (OOP), Maintainability, Prototyping, Database Application
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Cascading Style Sheets (CSS), User Interface (UI) Design, Browser Compatibility, HTML and CSS, Web Design, Responsive Web Design, Usability, Color Theory, Animations, Web Development
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Private Equity, Loans, Investment Management, Equities, Case Studies, Performance Measurement, Investment Banking, Investments, Portfolio Management, Financial Market, Capital Markets, Performance Analysis, Mergers & Acquisitions, Resource Allocation, Financial Analysis, Asset Management, Market Liquidity, Entrepreneurial Finance, Derivatives, Business Valuation
Mixed · Course · 1 - 4 Weeks

Whizlabs
Skills you'll gain: AWS Identity and Access Management (IAM), Identity and Access Management, Amazon Web Services, Amazon S3, Authorization (Computing), Role-Based Access Control (RBAC), Authentications, Single Sign-On (SSO), User Accounts, Data Security, Multi-Factor Authentication, Encryption
Intermediate · Course · 1 - 4 Weeks

Packt
Skills you'll gain: Case Studies, Team Management, Accountability, Leadership and Management, Virtual Teams, Team Building, Collaboration, Leadership, Communication, Workforce Management, Productivity, Employee Engagement, Adaptability
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Graphic and Visual Design, Graphic Design, Graphic and Visual Design Software, Design, Adobe Photoshop, Creative Design, Typography, 3D Modeling, 3D Assets, Color Theory, Visualization (Computer Graphics), Color Matching, Computer Graphics, Computer Graphic Techniques
Intermediate · Guided Project · Less Than 2 Hours

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

Skills you'll gain: Data Structures, Java Programming, Java, Theoretical Computer Science, Programming Principles, Algorithms, Object-Relational Mapping, Computer Programming Tools
Intermediate · Course · 1 - 4 Weeks