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: Calculus, Mathematical Software, Data Analysis, Mathematical Theory & Analysis, Derivatives, Graphing, Algebra
Beginner · Course · 1 - 3 Months

University of California, Davis
Skills you'll gain: Virtual Teams, Team Leadership, Intercultural Competence, Organizational Leadership, Team Management, Cultural Diversity, Team Building, Diversity and Inclusion, Cultural Sensitivity, Leadership, Leadership and Management, Cross-Functional Collaboration, Cultural Responsiveness, Interpersonal Communications, Conflict Management, Relationship Building, Culture, Stakeholder Communications, Communication Strategies, Diversity Awareness
Beginner · Specialization · 3 - 6 Months

University of Colorado Boulder
Skills you'll gain: Systems Engineering, Failure Analysis, Model Based Systems Engineering, Engineering Management, Scope Management, Design Reviews, Requirements Analysis, Project Scoping, Root Cause Analysis, Test Engineering, Program Management, Systems Thinking, Cost Management, Requirements Management, Contract Management, Product Lifecycle Management, Project Risk Management, Functional Design, Risk Management Framework, Risk Management
Build toward a degree
Beginner · Specialization · 3 - 6 Months

Microsoft
Skills you'll gain: Microsoft Copilot, Programming Principles, Full-Stack Web Development, GitHub, Version Control, Program Development, Debugging, Computational Thinking, Pseudocode, Git (Version Control System), Web Design and Development, Computer Programming, Algorithms, Web Development, C# (Programming Language), Data Structures, Back-End Web Development
Beginner · Course · 1 - 3 Months

Skills you'll gain: JUnit, Test Driven Development (TDD), Version Control, Git (Version Control System), GitHub, Performance Tuning, Unit Testing, Data Structures, Java Programming, Development Testing, Algorithms, Program Development, Software Testing, Java, Computer Programming, Software Development, Programming Principles, Debugging, Scalability
Beginner · Course · 1 - 4 Weeks

Duke University
Skills you'll gain: Pandas (Python Package), Version Control, Git (Version Control System), Data Manipulation, Software Development Tools, Development Environment, Data Structures, Python Programming, Data Analysis Software, NumPy, Data Import/Export, Integrated Development Environments, Virtual Environment
Beginner · Course · 1 - 4 Weeks

Tecnológico de Monterrey
Skills you'll gain: Value Propositions, Innovation, Entrepreneurship, Market Opportunities, Leadership, Organizational Leadership, Business Leadership, Business Modeling, New Business Development, Leadership and Management, Governance, Strategic Leadership, Business Strategy, Leadership Development, Succession Planning, Lean Methodologies, Growth Strategies, Business Management, Business Administration, Business Planning
Advanced · Specialization · 3 - 6 Months

EDHEC Business School
Skills you'll gain: Systems Thinking, Strategic Thinking, Forecasting, Strategic Planning, Strategic Decision-Making, Stakeholder Engagement, Organizational Strategy, Complex Problem Solving, Business Transformation, Business Strategy, Trend Analysis, Innovation, Sustainable Development, Decision Making, Creativity, Emerging Technologies
Intermediate · Course · 1 - 3 Months
University of Toronto
Skills you'll gain: Bioinformatics, Network Analysis, Data Visualization Software, Data Analysis, Data Mining, Exploratory Data Analysis, Databases
Intermediate · Course · 1 - 3 Months

Michigan State University
Skills you'll gain: Color Theory, Digital Design, Graphics Software, Creative Design, Creativity, Adobe Creative Cloud, Image Quality, Design
Beginner · Course · 1 - 3 Months

Universidad de Palermo
Skills you'll gain: Social Skills, Verbal Communication Skills, Leadership, Emotional Intelligence, Communication, Leadership and Management, Leadership Development, Team Leadership, Business Leadership, Team Building, Interpersonal Communications, Communication Strategies, Non-Verbal Communication, Coaching, Goal Setting, Learning Styles
Beginner · Course · 1 - 4 Weeks
Amazon Web Services
Skills you'll gain: Amazon CloudWatch, Containerization, Microservices, Docker (Software), Amazon Web Services, Kubernetes, Amazon Elastic Compute Cloud, Application Deployment, Serverless Computing, Devops Tools, System Monitoring, YAML, Scalability
Beginner · Course · 1 - 4 Weeks