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 Pennsylvania
Skills you'll gain: Calculus, Numerical Analysis, Applied Mathematics, Engineering Calculations, Integral Calculus, Engineering Analysis, Differential Equations, Mathematical Theory & Analysis, Advanced Mathematics, Estimation, Derivatives
Mixed · Course · 1 - 3 Months
Stanford University
Skills you'll gain: Algorithms, Graph Theory, Theoretical Computer Science, Computational Thinking, Data Structures, Pseudocode, Operations Research
Intermediate · Course · 1 - 4 Weeks

Berklee
Skills you'll gain: Musical Composition, Music Performance, Music, Media Production, Music Theory, Instrumental Music, File Management, Performing Arts, Post-Production, Creativity, Digital Signal Processing, Electronic Media, Editing, Design Software, Peer Review, Automation, Patch Management, Technical Support, System Configuration, System Requirements
Intermediate · Specialization · 3 - 6 Months

The University of Tokyo
Skills you'll gain: Higher Education, Cultural Sensitivity, Intercultural Competence, Cultural Diversity, Language Learning, Research
Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Graph Theory, Data Structures, Algorithms, Tree Maps, Network Analysis, Computational Thinking, Python Programming
Build toward a degree
Advanced · Course · 1 - 4 Weeks

California Institute of the Arts
Skills you'll gain: Editing, Peer Review, Music, Creativity
Beginner · Course · 1 - 3 Months

Skills you'll gain: Augmented and Virtual Reality (AR/VR), Game Design, User Interface (UI)
Beginner · Course · 1 - 3 Months

Skills you'll gain: Angular, Test Tools, Test Driven Development (TDD), CI/CD, Continuous Integration, Continuous Deployment, Test Automation, Unit Testing, Software Testing, Development Testing, Code Review, Integration Testing, Test Case, TypeScript, Maintainability, Web Development, Web Applications, Full-Stack Web Development
Beginner · Course · 1 - 3 Months

Università Bocconi
Skills you'll gain: Project Finance, Risk Analysis, Capital Budgeting, Financial Analysis, Private Equity, Credit Risk, Risk Management, Investments, Finance, Contract Management, Banking
Mixed · Course · 1 - 3 Months

Coursera
Skills you'll gain: Project Controls, Risk Management Framework, Leadership and Management, Verification And Validation, Project Management Life Cycle, AI Workflows, Data-Driven Decision-Making, Performance Measurement, Variance Analysis
Intermediate · Course · 1 - 4 Weeks

Universidad Nacional Autónoma de México
Skills you'll gain: Health Systems, Health Assessment, Systems Thinking, Health Care, Public Health, Physiology, Biology, Environmental Science, Chronic Diseases, General Medical Tests and Procedures, Medical Practices and Procedures
Intermediate · Course · 1 - 3 Months

O.P. Jindal Global University
Skills you'll gain: Hospice, Infant Care, Mental Health Diseases and Disorders, Mental Health, Prenatal Care, Cognitive Behavioral Therapy, Critical Thinking
Build toward a degree
Beginner · Course · 3 - 6 Months