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.

University of Geneva
Skills you'll gain: Sustainable Development, Geographic Information Systems, Environment, Environmental Resource Management, Natural Resource Management, Spatial Analysis, Sustainability Standards, Environmental Science, Environmental Policy, Hydrology, Economics, Governance, Stakeholder Engagement, Case Studies
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Digital Transformation, Business Analysis, Requirements Elicitation, Gap Analysis, Analysis, Business Analytics, Business Requirements, Requirements Analysis, Systems Analysis, Business Process Modeling, Technology Strategies, Microsoft Excel, Project Management, Stakeholder Management, Stakeholder Communications, Change Management
Beginner · Course · 1 - 4 Weeks
UNSW Sydney (The University of New South Wales)
Skills you'll gain: Storytelling, User Experience Design, Driving engagement, Content Creation, Multimedia, Animation and Game Design, Augmented and Virtual Reality (AR/VR), Design Strategies, Emerging Technologies, Qualitative Research
Mixed · Course · 1 - 3 Months

DeepLearning.AI
Skills you'll gain: Data Storage, Query Languages, Data Lakes, File Systems, Database Systems, SQL, Databases, Data Architecture, Cloud Storage, Data Warehousing, Amazon Web Services, Amazon S3, Graph Theory, Performance Tuning
Intermediate · 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
University of Illinois Urbana-Champaign
Skills you'll gain: Computational Logic, Application Specific Integrated Circuits, Theoretical Computer Science, Data Structures, Verification And Validation, Computer Architecture, Algorithms, Computer Engineering, Programming Principles, Digital Design
Intermediate · Course · 1 - 3 Months
Korea Advanced Institute of Science and Technology(KAIST)
Skills you'll gain: Communication Systems, Emerging Technologies, Informatics, Cryptography, Linear Algebra, Computational Thinking, Information Technology, Physics, Mathematical Modeling
Advanced · Course · 1 - 3 Months

Skills you'll gain: Project Risk Management, Workflow Management, Business Workflow Analysis, Risk Management, Strategic Thinking, Team Leadership, Agile Project Management, Team Management, Leadership and Management, Collaborative Software, Project Management, Innovation, Agile Software Development, Process Improvement, Strategic Decision-Making, Change Management, Artificial Intelligence, Adaptability, Digital Transformation, Communication
Intermediate · Specialization · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Operations Research, Algorithms, Applied Mathematics, Computational Thinking, Graph Theory, Mathematical Modeling, Computer Programming, Theoretical Computer Science, Linear Algebra, Combinatorics, Python Programming, Solution Design, Probability
Build toward a degree
Advanced · Course · 1 - 4 Weeks

Queen Mary University of London
Skills you'll gain: Stakeholder Management, Delegation Skills, Team Leadership, Team Management, Change Management, Team Performance Management, Professional Networking, Leadership Development, Leadership, Matrix Management, People Management, Team Building, Stakeholder Engagement, Leadership and Management, Organizational Leadership, Time Management, Executive Presence, Organizational Effectiveness, Virtual Teams, Influencing
Advanced · Specialization · 3 - 6 Months

University of Cape Town
Skills you'll gain: Climate Change Mitigation, Sustainable Development, Economic Development, Environmental Policy, Policy Development, Mathematical Modeling, Systems Thinking, Complex Problem Solving, Research, Innovation, Stakeholder Engagement
Intermediate · Course · 1 - 3 Months

University of Michigan
Skills you'll gain: Responsible AI, Generative AI, Governance, Data Governance, Data Management, Compliance Management, AI Product Strategy, Consumer Behaviour, Business Risk Management, Business Operations, Data Ethics, Risking, Artificial Intelligence, Risk Analysis, Automation, Stakeholder Management, Human Resources, Workforce Management, Leadership and Management, Risk Management
Beginner · Specialization · 1 - 3 Months