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.

Microsoft
Skills you'll gain: Version Control, GitHub, Debugging, Git (Version Control System), Unit Testing, Data Structures, Python Programming, Software Testing, Programming Principles, Scripting, Computer Programming, Web Development, Algorithms, Program Development, Development Environment, Scripting Languages, Integrated Development Environments, Object Oriented Programming (OOP), Jupyter
Beginner · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Engineering Management, Team Leadership, Stakeholder Management, Team Management, Project Scoping, Leadership and Management, Resource Management, Team Building, Requirements Management, Stakeholder Analysis, Project Management, Project Management Life Cycle, Communication, Business Communication
Build toward a degree
Beginner · Course · 1 - 4 Weeks

Case Western Reserve University
Skills you'll gain: Emotional Intelligence, Compassion, Organizational Leadership, Team Leadership, Employee Coaching, Coaching, Leadership Development, Leadership and Management, Business Leadership, Organizational Change, Initiative and Leadership, Personal Development, Strategic Leadership, Organizational Development, Leadership, Resilience, Self-Awareness, Stress Management, People Development, Mindfulness
Beginner · Course · 1 - 3 Months

Skills you'll gain: Color Theory, Typography, Adobe Photoshop, Photo Editing, Graphic and Visual Design, Design Elements And Principles, Visual Design, Design, Game Design, Graphic Design, Creative Design, Image Quality
Beginner · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: Package and Software Management, Linux Administration, Linux, Linux Commands, Virtual Private Networks (VPN), Linux Servers, System Monitoring, Operating System Administration, Public Key Infrastructure, Ubuntu, Version Control, File Management, Command-Line Interface, Intrusion Detection and Prevention, Git (Version Control System), File Systems, User Accounts, Firewall, Cloud Computing Architecture, DevOps
Beginner · Specialization · 3 - 6 Months

LearnQuest
Skills you'll gain: Responsible AI, Data Ethics, OpenAI, Artificial Intelligence, Large Language Modeling, Ethical Standards And Conduct, Analytical Skills, Analysis, Game Theory, Predictive Modeling
Intermediate · Course · 1 - 4 Weeks

Eindhoven University of Technology
Skills you'll gain: Business Process, Process Analysis, Process Improvement, Business Process Management, Data Mining, Business Process Modeling, Process Optimization, Data Processing, Real Time Data, Data Science, Verification And Validation, Data Validation
Intermediate · Course · 1 - 3 Months

École Polytechnique Fédérale de Lausanne
Skills you'll gain: Digital Communications, Communication Systems, Electrical and Computer Engineering, Programming Principles, Telecommunications, Advanced Mathematics, Algorithms, Linear Algebra, Mathematical Modeling, Applied Mathematics
Intermediate · Course · 1 - 4 Weeks

Macquarie University
Skills you'll gain: Conflict Management, Negotiation, Intercultural Competence, Stakeholder Management, Leadership, Leadership and Management, Organizational Leadership, Emotional Intelligence, Cultural Diversity, Self-Awareness, Communication
Beginner · Course · 1 - 3 Months

Duke University
Skills you'll gain: Loans, FinTech, Payment Systems, Key Management, Cryptography, Digital Assets, Market Liquidity, Financial Trading, Transaction Processing
Intermediate · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Algebra, Calculus, Graphing, Applied Mathematics, Data Science, Derivatives, Numerical Analysis, Mathematical Theory & Analysis
Intermediate · Course · 1 - 3 Months

Berklee
Skills you'll gain: Music Theory, Musical Composition, Music, Instrumental Music, Music Performance
Intermediate · Course · 1 - 4 Weeks