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.

Dartmouth College
Skills you'll gain: Creativity, Communication, Innovation, Personal Development, Curiosity, Productivity, Time Management, Self-Awareness, Leadership Development, Leadership, Growth Mindedness, Resilience, People Development, Leadership and Management, Adaptability, Change Management, Growth Strategies
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Adobe Illustrator, Color Theory, Graphic and Visual Design, Design, Design Elements And Principles, Graphic Design, Logo Design, Typography, Adobe Creative Cloud, File Management
Beginner · Guided Project · Less Than 2 Hours

Princeton University
Skills you'll gain: Data Structures, Algorithms, Theoretical Computer Science, Java, Computer Programming, Computational Thinking, Graph Theory, Performance Testing
Intermediate · Course · 3 - 6 Months

Skills you'll gain: Model Evaluation, Keras (Neural Network Library), Data Preprocessing, Deep Learning, Artificial Neural Networks, Tensorflow, Applied Machine Learning, Feature Engineering, Property and Real Estate, Predictive Modeling, Data Cleansing, Data Manipulation, Machine Learning, Real Estate, Regression Analysis, Python Programming
Beginner · Guided Project · Less Than 2 Hours
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

Microsoft
Skills you'll gain: Web Scraping, Git (Version Control System), Scripting, Version Control, Test Automation, Email Automation, Software Testing, Cloud API, Automation, Restful API, Application Programming Interface (API), Python Programming, File I/O, Productivity, File Management
Beginner · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Social Network Analysis, Network Analysis, Responsible AI, Graph Theory, Machine Learning, Applied Machine Learning, Research, Model Evaluation, Social Sciences, Statistical Analysis, Amazon Web Services, R Programming, Tensorflow, Data Ethics, Artificial Intelligence and Machine Learning (AI/ML), Research Design, Sociology, Driving engagement, Machine Learning Methods, Behavioral Economics
Intermediate · Specialization · 3 - 6 Months

DeepLearning.AI
Skills you'll gain: Retrieval-Augmented Generation, LLM Application, LangChain, Large Language Modeling, Embeddings, Query Languages, Vector Databases, Data Storage, Semantic Web, Unstructured Data, Graph Theory
Intermediate · 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

University of Illinois Urbana-Champaign
Skills you'll gain: Organizational Leadership, Team Leadership, Leadership, Leadership and Management, Motivational Skills, Decision Making, Organizational Effectiveness, Teamwork, Strategic Decision-Making, Drive Engagement, Diversity and Inclusion
Mixed · Course · 1 - 3 Months

Skillshare
Skills you'll gain: Video Editing, Animations, Timelines, Post-Production, Storytelling, Motion Graphics, Color Theory, Video Production, Cinematography, Editing, Photo/Video Production and Technology, Configuration Management, Web Content Accessibility Guidelines, Data Import/Export, Image Quality, Music, Color Matching, File Management, Typography
Beginner · Specialization · 3 - 6 Months

Johns Hopkins University
Skills you'll gain: Nutrition and Diet, Food and Beverage, Public Health, Community Health, Social Justice, Sustainable Development, Systems Thinking, Environmental Issue, Natural Resource Management, Sustainability Standards, Health Policy, Health Promotion, Environmental Policy
Beginner · Course · 1 - 3 Months