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.

Universidad Nacional Autónoma de México
Skills you'll gain: Patient Evaluation, Virtual Environment, Learning Theory, Clinical Assessment, Constructive Feedback, Decision Making, Patient Treatment, Medical Equipment and Technology, Instructional Design, Interactive Learning, Learning Strategies
Beginner Ā· Course Ā· 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Computational Logic, Mathematical Modeling, Theoretical Computer Science, Verification And Validation, System Requirements, Automation, Software Systems, Mechanical Engineering, Systems Analysis, Systems Engineering, Agentic systems, Applied Mathematics, Control Systems, System Design and Implementation, Simulations, Differential Equations, Computer Science, Hardware Architecture, Artificial Intelligence, Algorithms
Build toward a degree
Intermediate Ā· Specialization Ā· 3 - 6 Months

University of Colorado System
Skills you'll gain: Sustainability Reporting, Organizational Change, Sustainable Design, Stakeholder Analysis, Environmental Social And Corporate Governance (ESG), Corporate Sustainability, Leadership and Management, Key Performance Indicators (KPIs), Change Management, Product Design, Packaging and Labeling, Leadership, Product Lifecycle Management
Beginner Ā· Course Ā· 1 - 3 Months

O.P. Jindal Global University
Skills you'll gain: Crisis Management, Mediation, Leadership Studies, Negotiation, Conflict Management, Diplomacy, Leadership, Policy Analysis, Leadership Development, Social Justice, Organizational Leadership, Ethical Standards And Conduct, Leadership and Management, Business Leadership, Public Policies, Strategic Leadership, Political Sciences, Economics, Policy, and Social Studies, Public Administration, Governance
Beginner Ā· Specialization Ā· 3 - 6 Months

Indian Institute for Human Settlements
Skills you'll gain: Innovation, Sustainable Development, Environmental Issue, Social Sciences, Economics, Policy, and Social Studies, Policy Analysis, Climate Change Adaptation, Systems Thinking, Emerging Technologies, Research, Big Data
Intermediate Ā· Course Ā· 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Control Systems, Systems Engineering, Mechanics, Numerical Analysis, Differential Equations, Mathematical Modeling, Simulation and Simulation Software, Engineering Analysis, Simulations, Advanced Mathematics, Linear Algebra, Engineering Design Process, Engineering Calculations, Mathematical Software, Applied Mathematics, Physics, Calculus, Mathematical Theory & Analysis
Advanced Ā· Specialization Ā· 1 - 3 Months
University of Colorado Boulder
Skills you'll gain: Control Systems, Numerical Analysis, Simulations, Engineering Analysis, Mathematical Modeling, Linear Algebra, Differential Equations, Applied Mathematics, Mathematical Theory & Analysis
Advanced Ā· Course Ā· 1 - 4 Weeks

University of California, Davis
Skills you'll gain: Employee Coaching, Coaching, Organizational Change, Key Performance Indicators (KPIs), Management Training And Development, Team Performance Management, Employee Performance Management, Performance Management, Leadership and Management, Performance Measurement, Meeting Facilitation, Constructive Feedback, Professional Development, Personal Development, Goal Setting, Active Listening, Communication Strategies, Self-Awareness
Mixed Ā· Course Ā· 1 - 3 Months

University of Illinois Urbana-Champaign
Skills you'll gain: Land Management, Supply Chain, Food and Beverage, Supply Chain Systems, Transportation, Supply Chain, and Logistics, Supply Chain Management, Supply And Demand, Production Management, Environment and Resource Management, Market Dynamics, Technology Solutions, Consumer Behaviour
Intermediate Ā· Course Ā· 1 - 4 Weeks

Copenhagen Business School
Skills you'll gain: Corporate Sustainability, Environmental Social And Corporate Governance (ESG), Sustainable Business, Sustainable Development, Governance, Business Ethics, Corporate Strategy, Leadership Studies, Strategic Partnership, Leadership and Management, Case Studies, Stakeholder Management, Cultural Diversity
Beginner Ā· Course Ā· 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Delegation Skills, Stakeholder Management, Technical Management, Engineering Management, Negotiation, Mentorship, Meeting Facilitation, Decision Making, Team Leadership, Leadership, Organizational Leadership, Culture Transformation, Team Management, Leadership and Management, Courage, Growth Mindedness, Business Leadership, Team Building, Collaboration, Communication
Build toward a degree
Beginner Ā· Specialization Ā· 1 - 3 Months

Universiteit Leiden
Skills you'll gain: Sustainable Development, Sustainable Design, Sustainable Technologies, Environmental Resource Management, Sustainable Engineering, Environment, Environmental Science, Resource Utilization, Materials science, Supply And Demand, Economics, Analysis, Consumer Behaviour
Beginner Ā· Course Ā· 1 - 3 Months