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: Microsoft Copilot, Programming Principles, Full-Stack Web Development, GitHub, Version Control, Program Development, Debugging, Computational Thinking, Git (Version Control System), Computer Programming, Algorithms, Web Development, C# (Programming Language), Back-End Web Development
Beginner · Course · 1 - 3 Months

University of California, Davis
Skills you'll gain: Data Ethics, Artificial Intelligence, Research, Natural Language Processing, Big Data, AI Enablement, Research Methodologies, Social Sciences, Applied Machine Learning, Responsible AI, Analytics, Machine Learning, Data Mining, Ethical Standards And Conduct, Algorithms
Beginner · Course · 1 - 4 Weeks

Yeshiva University
Skills you'll gain: Ancient History, Art History, World History, Research, Color Theory, Timelines, Cultural Diversity, Storytelling
Mixed · Course · 1 - 3 Months
University of Illinois Urbana-Champaign
Skills you'll gain: Marketing Analytics, AI Personalization, Advanced Analytics, Customer Retention, Analytics, Marketing Effectiveness, Predictive Modeling, Marketing, Data Analysis, Social Network Analysis, Customer Analysis, Data Ethics, Customer Insights, Market Analysis, Text Mining, Predictive Analytics, Marketing Strategy and Techniques, Digital Marketing, Machine Learning, Generative AI
Build toward a degree
Intermediate · Course · 1 - 4 Weeks

West Virginia University
Skills you'll gain: Sustainable Development, Economics, Environment and Resource Management, Environmental Resource Management, Natural Resource Management, Supply And Demand, Environmental Science, Product Knowledge, Materials science, Climate Change Mitigation, Sustainable Engineering, Construction
Beginner · Course · 1 - 4 Weeks

Xi'an Jiaotong University
Skills you'll gain: Liberal Arts, Ancient History, Culture, Cultural Diversity, Research, Systems Thinking, Human Learning
Mixed · Course · 1 - 3 Months

Peking University
Skills you'll gain: Data Structures, Computational Thinking, Graph Theory, Theoretical Computer Science, Programming Principles, Algorithms, Computer Programming, Data Storage, C (Programming Language), C++ (Programming Language)
Mixed · Course · 1 - 3 Months

Fundação Instituto de Administração
Skills you'll gain: International Finance, Business Economics, Economics, Market Dynamics, Business Planning, Business Strategy, Supply And Demand, Investments
Build toward a degree
Beginner · Course · 1 - 4 Weeks

Kennesaw State University
Skills you'll gain: Team Management, Team Building, Meeting Facilitation, Conflict Management, Team Leadership, Six Sigma Methodology, Lean Six Sigma, Discussion Facilitation, Project Management, Cross-Functional Collaboration, Communication
Mixed · Course · 1 - 4 Weeks

University of Colorado System
Skills you'll gain: Change Management, Organizational Change, Culture Transformation, Organizational Development, Agile Methodology, Business Transformation, Scalability, Leadership and Management, Organizational Strategy, Case Studies
Beginner · Course · 1 - 4 Weeks

University of Illinois Urbana-Champaign
Skills you'll gain: Data Visualization, Interactive Data Visualization, Data Presentation, Infographics, Data Visualization Software, Data Storytelling, Plotly, Matplotlib, Journalism, Graphing, Data Literacy, Color Theory, Data Manipulation, Design Elements And Principles, Data Analysis
Beginner · Course · 1 - 3 Months

University of Leeds
Skills you'll gain: Logical Reasoning, Computational Logic, Computational Thinking, Algorithms, Theoretical Computer Science, Artificial Intelligence, Cryptography, Graph Theory
Beginner · Course · 1 - 4 Weeks