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 de Palermo
Skills you'll gain: Social Skills, Verbal Communication Skills, Leadership, Emotional Intelligence, Communication, Leadership and Management, Leadership Development, Team Leadership, Business Leadership, Empathy & Emotional Intelligence, Organizational Leadership, Team Building, Interpersonal Communications, Communication Strategies, Industrial and Organizational Psychology, People Development, Non-Verbal Communication, Coaching, Cognitive flexibility, Goal Setting
Beginner · Course · 1 - 4 Weeks

Tecnológico de Monterrey
Skills you'll gain: Critical Thinking, Independent Thinking, Decision Making, Strategic Decision-Making, Systems Thinking, Complex Problem Solving, Creative Thinking, Analysis, Ethical Standards And Conduct, Research
Intermediate · Course · 1 - 4 Weeks

Skillshare
Skills you'll gain: Cinematography, Adobe After Effects, Videography, Video Editing, Post-Production, Video Production, TikTok, Color Matching, Storytelling, Data Storage, Motion Graphics, Animations, Storyboarding, Timelines, Image Quality, Ideation, Content Creation, Multimedia, File Management, Color Theory
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: PyTorch (Machine Learning Library), Convolutional Neural Networks, Transfer Learning, Image Analysis, Deep Learning, Model Evaluation, Medical Imaging, Computer Vision, Machine Learning, Data Preprocessing
Intermediate · Guided Project · Less Than 2 Hours

Rice University
Skills you'll gain: Economics, Supply And Demand, Economic Development, Financial Policy, Market Dynamics, Business Economics, Business Metrics, Public Policies, Performance Metric, International Finance, Fiscal Management, Investments, Labor Relations, Financial Market, Financial Regulations
Beginner · Course · 1 - 3 Months

The Hong Kong University of Science and Technology
Skills you'll gain: Social Sciences, Economics, Policy, and Social Studies, Socioeconomics, World History, Sociology, Trend Analysis, Data Analysis, Big Data, Research, Higher Education, Political Sciences, Case Studies
Mixed · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Artificial Intelligence, Generative AI, Machine Learning Algorithms, Mathematical Theory & Analysis
Build toward a degree
Intermediate · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: React Native, Mobile Development, Responsive Web Design, Docker (Software), Azure DevOps, Restful API, Cross Platform Development, Microservices, Containerization, User Interface and User Experience (UI/UX) Design, DevOps, UI Components, ASP.NET, iOS Development, CI/CD, User Interface (UI) Design, .NET Framework, Unit Testing, Software Testing, Version Control
Intermediate · Specialization · 1 - 3 Months
Imperial College London
Skills you'll gain: Computer Graphics, Android Development, Computer Graphic Techniques, Android Studio, 3D Assets, Virtual Reality, Animations
Intermediate · Course · 1 - 4 Weeks

University of California San Diego
Skills you'll gain: Bioinformatics, Dimensionality Reduction, Unsupervised Learning, Molecular Biology, Data Preprocessing, Machine Learning, Data Analysis Software, Life Sciences, Anthropology
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Risk Management, Risk Analysis, Project Risk Management, Root Cause Analysis, Risk Mitigation, Contingency Planning, Business Risk Management, Continuous Monitoring, Brainstorming, Performance Analysis, Communication Planning, Stakeholder Management, Project Management, Threat Management, Conflict Management, Operational Analysis, Analysis, Agile Methodology, Stakeholder Engagement, Operational Risk
Intermediate · Specialization · 1 - 3 Months

Lund University
Skills you'll gain: Sustainable Development, Systems Thinking, Sustainable Business, Sustainable Technologies, Sustainability Standards, Policy Development, Environmental Policy, Environment, Environmental Science, Innovation, Natural Resource Management, Climate Change Adaptation, Mathematical Modeling, Climate Change Mitigation, Geospatial Information and Technology
Beginner · Course · 1 - 3 Months