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 Michigan
Skills you'll gain: Program Evaluation, Course Development, Web Content Accessibility Guidelines, Educational Materials, Multimedia, Instructional Design, Learning Theory, Design, Learning Management Systems, Education Software and Technology, Professional Development, Brainstorming, Needs Assessment, Content Creation, Motivational Skills, Diversity Equity and Inclusion Initiatives, User Centered Design, Prototyping, Design Strategies, Creative Thinking
Beginner · Specialization · 1 - 3 Months

The University of Sydney
Skills you'll gain: Linear Algebra, Markov Model, Geometry, Arithmetic, Algebra, General Mathematics, Advanced Mathematics, Probability, Mathematics and Mathematical Modeling, Mathematical Theory & Analysis, Mathematical Modeling, Applied Mathematics, Statistical Methods, Vector Databases, Engineering Analysis, Computational Logic
Intermediate · Course · 1 - 4 Weeks

Berklee
Skills you'll gain: Music Theory, Music, Instrumental Music, Musical Composition, Music Performance
Mixed · Course · 1 - 3 Months

University of Cape Town
Skills you'll gain: Informed Consent, Healthcare Ethics, Scientific Methods, Intensive Care Medicine, Diagnostic Tests, Patient Education And Counseling, Cultural Diversity, Critical Care, Ethical Standards And Conduct, Cultural Sensitivity, Patient Communication
Intermediate · Course · 1 - 4 Weeks

Università Bocconi
Skills you'll gain: Human Capital, Governance, Sustainable Development, International Relations, Strategic Thinking, Human Resources, Cultural Diversity, International Finance, Policy Development, Stakeholder Management, Strategic Partnership
Mixed · Course · 1 - 3 Months

Universiteit Leiden
Skills you'll gain: Ancient History, Culture, Language Learning, Anthropology, Social Studies, Multilingualism, Literacy, Research, Research Methodologies
Intermediate · Course · 1 - 3 Months

ESCP Business School
Skills you'll gain: Intercultural Competence, Team Management, Global Marketing, Cultural Sensitivity, Cultural Diversity, Organizational Leadership, People Management, Business Communication, Leadership and Management, Negotiation, Leadership, Human Resources Management and Planning, Marketing
Beginner · Course · 1 - 3 Months
University of Illinois Urbana-Champaign
Skills you'll gain: Energy and Utilities, Geospatial Information and Technology, Environmental Science, Geographic Information Systems, Oil and Gas, Sustainable Systems, Physical Science, Environment, Vibrations, Hazard Analysis
Beginner · Course · 1 - 3 Months

University of Geneva
Skills you'll gain: Multilingualism, Language Interpretation, Translation, and Studies, Language Competency, International Relations, Diplomacy, World History, European History, Policty Analysis, Research, and Development, Political Sciences, Intercultural Competence, Governance
Beginner · Course · 1 - 3 Months

Universidade de São Paulo
Skills you'll gain: Object Oriented Programming (OOP), Computer Programming, Theoretical Computer Science, Python Programming, Algorithms, Data Structures, Computer Science, Computational Thinking, Software Testing, Performance Testing
Beginner · Course · 1 - 3 Months
Illinois Tech
Skills you'll gain: Market Dynamics, Supply And Demand, Game Theory, Product Lifecycle Management, Business Strategy, Competitive Analysis, Business Economics, Business Strategies, Innovation, Strategic Thinking, Cost Reduction, Economics, Market Trend, Strategic Decision-Making, Price Negotiation, Global Marketing, Market Analysis, Strategic Planning, Team Leadership, Adaptability
Build toward a degree
Beginner · Specialization · 3 - 6 Months

University of Alberta
Skills you'll gain: Computational Thinking, Video Game Development, Game Design, Programming Principles, Animation and Game Design, Software Quality (SQA/SQC), Problem Solving, Computer Programming, Theoretical Computer Science, Program Development, Software Engineering, Python Programming, Algorithms, Pseudocode, Data Structures, Application Design, Debugging, Problem Management, Computer Science, Functional Testing
Beginner · Course · 1 - 3 Months