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.

Columbia University
Skills you'll gain: Systems Thinking, Social Justice, Social Sciences, Complex Problem Solving, Political Sciences, Policy Analysis, Persuasive Communication, Personal Development, Critical Thinking, Simulations, Mathematical Modeling, Climate Change Mitigation
Beginner · Course · 1 - 3 Months

Skills you'll gain: File Management, Document Management, Microsoft Power Automate/Flow, Email Automation, Version Control, Intranet, Automation
Beginner · Guided Project · Less Than 2 Hours

University of California, Davis
Skills you'll gain: Social Network Analysis, Data Wrangling, Natural Language Processing, Web Scraping, Databases, Social Sciences, Data Collection, Simulations, Big Data, Machine Learning, Computational Thinking, IBM Cloud
Intermediate · Course · 1 - 4 Weeks

American Psychological Association
Skills you'll gain: Learning Strategies, Learning Theory, Human Learning, Mental Concentration, Productivity, Psychology, Time Management, Critical Thinking, Self-Awareness, Self-Discipline
Beginner · Course · 1 - 3 Months

Skills you'll gain: Microsoft Power Platform, Business Process Automation, Microsoft 365, No-Code Development, Application Design, Document Management, Data Integration, Data Store
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Applied Behavior Analysis
Beginner · Course · 1 - 4 Weeks
Google Cloud
Skills you'll gain: Presentations, Google Workspace, Productivity Software, Sales Presentations, Collaborative Software, Business Communication, Content Management, Content Development and Management, Data Sharing, File Management, Version Control
Beginner · Course · 1 - 3 Months

Skills you'll gain: Probability & Statistics, Statistics, Data Analysis, Statistical Analysis, Regression Analysis, Analytics, Statistical Methods, Probability, Data Science, Statistical Modeling, Data-Driven Decision-Making, Statistical Inference, Probability Distribution, Predictive Analytics, Applied Machine Learning, Correlation Analysis
Intermediate · Course · 1 - 3 Months

Illinois Tech
Skills you'll gain: Bayesian Statistics, Data Analysis, Statistical Modeling, Statistical Software, Statistical Programming, Statistical Methods, Regression Analysis, Statistical Inference, R Programming, Numerical Analysis, Sampling (Statistics), Markov Model, Probability, Simulations, Probability Distribution
Build toward a degree
Intermediate · Course · 1 - 3 Months

O.P. Jindal Global University
Skills you'll gain: Policy Analysis, Social Justice, Ethical Standards And Conduct, Public Policies, Political Sciences, Economics, Policy, and Social Studies, Governance, Social Sciences, Economics, International Relations, Case Studies
Beginner · Course · 1 - 3 Months

Codio
Skills you'll gain: Algorithms, C++ (Programming Language), Data Structures, Theoretical Computer Science, Computer Programming, Programming Principles, Computational Thinking
Intermediate · Course · 1 - 4 Weeks

ESADE Business and Law School
Skills you'll gain: Succession Planning, Business Modeling, Organizational Structure, Business Management, Systems Thinking, Business Leadership, Business Strategy, Entrepreneurship, Governance, Complex Problem Solving, Decision Making, Communication
Intermediate · Course · 1 - 4 Weeks