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.

École Polytechnique Fédérale de Lausanne
Skills you'll gain: Social Justice, Community Development, Governance, Sustainable Development, Systems Thinking, Information Technology, Economic Development, Policty Analysis, Research, and Development, Digital Transformation, Stakeholder Engagement, Case Studies
Intermediate · Course · 1 - 3 Months

Coursera
Skills you'll gain: TypeScript, Javascript, React.js, Debugging, Integrated Development Environments, Web Development Tools
Intermediate · Guided Project · Less Than 2 Hours

Dartmouth College
Skills you'll gain: Computational Logic, Scientific Methods, Theoretical Computer Science, Logical Reasoning, Physics, Experimentation, Laboratory Experience, Physical Science, Artificial Intelligence, Computational Thinking, Mathematics and Mathematical Modeling, Simulations, Psychology, Science and Research, General Science and Research, Ancient History, Vibrations, Mechanics, Chemistry, Laboratory Equipment
Beginner · Specialization · 1 - 3 Months

Case Western Reserve University
Skills you'll gain: Coaching, Leadership Development, Initiative and Leadership, Leadership, Influencing, Strategic Leadership, People Development, Professional Development, Organizational Leadership, Leadership and Management, Team Leadership, Visionary, Emotional Intelligence, Personal Development, Goal Setting, Relationship Building
Mixed · Course · 1 - 4 Weeks

Politecnico di Milano
Skills you'll gain: Grant Writing, Public Speaking, Verbal Communication Skills, Critical Thinking, Communication, Writing, Persuasive Communication, Concision
Beginner · Course · 1 - 3 Months

Amazon Web Services
Skills you'll gain: CI/CD, Continuous Integration, Application Deployment, Continuous Delivery, Software Development, Version Control, Git (Version Control System), DevOps, Test Automation, Unit Testing, Amazon Web Services, Software Testing
Beginner · Course · 1 - 4 Weeks

IE Business School
Skills you'll gain: Economics, International Finance, Socioeconomics, Business Economics, Political Sciences, Supply And Demand, World History, Policty Analysis, Research, and Development, Cultural Diversity, Market Dynamics, Social Sciences, Demography
Beginner · Course · 1 - 3 Months

LearnQuest
Skills you'll gain: Continuous Delivery, Test Driven Development (TDD), Unit Testing, Continuous Deployment, Continuous Integration, Agile Methodology, Test Automation, Code Review, Maintainability, Software Development, Mockups, Software Development Methodologies, Test Case, Development Testing, Testability, Software Testing, Debugging, Python Programming, Version Control
Intermediate · Specialization · 3 - 6 Months
Duke University
Skills you'll gain: Data Ethics, Exploratory Data Analysis, Data-Driven Decision-Making, Logistic Regression, Statistical Modeling, Web Scraping, Ggplot2, Model Evaluation, Data Visualization Software, Predictive Modeling, Tidyverse (R Package), Data Visualization, Data Analysis, Regression Analysis, Responsible AI, Data Transformation, R Programming, Data Science, Data Wrangling, Version Control
Beginner · Specialization · 1 - 3 Months
University of Illinois Urbana-Champaign
Skills you'll gain: Business Ethics, Business Leadership, Leadership and Management, Organizational Leadership, Emotional Intelligence, Project Management Life Cycle, Decision Making, Leadership, Recognizing Others, Team Motivation, Communication Strategies, Strategic Decision-Making, Project Management, Self-Awareness
Beginner · Course · 1 - 4 Weeks

Università di Napoli Federico II
Skills you'll gain: Research Methodologies, Qualitative Research, Research Design, Social Sciences, Case Studies, Statistical Analysis, Systems Thinking, Computational Logic, Regression Analysis, Political Sciences
Beginner · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Mathematical Modeling, Statistical Modeling, Machine Learning Algorithms, Generative AI Agents
Build toward a degree
Intermediate · Course · 1 - 3 Months