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.

Skills you'll gain: Photo Editing, Photography, Adobe Photoshop, Storytelling, Photo/Video Production and Technology, Landscape Architecture, Geographic Information Systems, Image Quality, Global Positioning Systems, Planning, Research, Adobe Creative Cloud, Timelines, Creative Thinking, Creativity, Design Elements And Principles, Color Theory, Critical Thinking, Editing
Beginner · Specialization · 3 - 6 Months

Universidad Nacional Autónoma de México
Skills you'll gain: Algorithms, Computational Thinking, Theoretical Computer Science, Problem Management, Data Structures, Performance Testing, Python Programming
Beginner · Course · 1 - 3 Months

University of Illinois Urbana-Champaign
Skills you'll gain: Education Software and Technology, Responsible AI, Wealth Management, Supervised Learning, Machine Learning, Financial Services, Applied Machine Learning, Artificial Intelligence and Machine Learning (AI/ML), Learning Management Systems, Digital pedagogy, Artificial Intelligence, AI Enablement, Relationship Management, Rapport Building, FinTech, Data Mining, AI Personalization, Learning Theory, Regulatory Compliance, Financial Planning
Intermediate · Specialization · 1 - 3 Months

Pontificia Universidad Católica de Chile
Skills you'll gain: Data Visualization, Data Visualization Software, Data Presentation, Data Literacy, Human Factors, Color Theory, Design Elements And Principles, Graphing
Build toward a degree
Beginner · Course · 1 - 4 Weeks

Whizlabs
Skills you'll gain: Microsoft Azure, Kubernetes, Containerization, Virtual Machines, Application Deployment, Cloud Computing, Cloud Applications, Cloud Infrastructure, Virtualization and Virtual Machines, Infrastructure as Code (IaC), Scalability
Intermediate · Course · 1 - 4 Weeks

University of Pennsylvania
Skills you'll gain: Human Capital, Employee Retention, Workforce Development, Human Resource Strategy, Employee Training, Talent Management, Organizational Strategy, Employee Engagement, Human Resources Management and Planning, Management Training And Development, Job Evaluation, Workforce Management, Compensation Management, Employee Performance Management, Recruitment, Recruitment Strategies
Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Code Review, Debugging, Scripting, Python Programming, Programming Principles, Software Development
Intermediate · Guided Project · Less Than 2 Hours

Johns Hopkins University
Skills you'll gain: Research Design, Science and Research, Laboratory Research, Research Methodologies, Statistical Analysis, Data Collection, Data Analysis Software, Neurology, Psychology, Physiology, Magnetic Resonance Imaging, Electrophysiology, Image Analysis, Medical Equipment and Technology, Human Learning, Medical Imaging, Data Visualization Software, Functional Behavior Assessment, Statistical Inference
Intermediate · Course · 1 - 3 Months

National Taiwan University
Skills you'll gain: Supply Chain Management, Game Theory, Economics, Business Research, Forecasting, Competitive Analysis, Business Analysis, Business Strategy, Business Modeling, Decision Making
Intermediate · Course · 1 - 3 Months

Fundação Instituto de Administração
Skills you'll gain: Financial Statement Analysis, Financial Analysis, Financial Accounting, Balance Sheet, Cash Flows, Income Statement, Working Capital, Performance Analysis, Gross Profit, Operating Expense, Depreciation
Beginner · Course · 1 - 3 Months

University of Cambridge
Skills you'll gain: Human Learning, Child Development, Teaching, Learning Theory, Instructional Strategies, Pedagogy, Learning Strategies, Developmental Disabilities, Working With Children, Disabilities, Autism Spectrum Disorders, Special Education, Differentiated Instruction, Neurology
Beginner · Course · 1 - 3 Months

Xi'an Jiaotong University
Skills you'll gain: Operating Systems, Microsoft Office, System Software, Computer Networking, OS Process Management, Computer Architecture, Network Architecture, Computer Systems, Computer Science, Computing Platforms, Theoretical Computer Science, Computer Hardware, Computer Literacy, Network Protocols, Information Technology, Computational Logic, Data Storage
Mixed · Course · 1 - 3 Months