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.

Arizona State University
Skills you'll gain: Meeting Facilitation, Business Communication, Business Correspondence, Business Leadership, Employee Coaching, Telephone Skills, English Language, Active Listening, Leadership, Leadership and Management, Communication, Verbal Communication Skills, Recruitment, Writing, Communication Strategies, Team Building
Mixed · Course · 1 - 3 Months

LearnQuest
Skills you'll gain: Responsible AI, Data Ethics, OpenAI, Artificial Intelligence, Large Language Modeling, Ethical Standards And Conduct, Analytical Skills, Analysis, Game Theory, Predictive Modeling
Intermediate · Course · 1 - 4 Weeks

University of Alberta
Skills you'll gain: Physics, Storytelling, Scientific Methods, Science and Research, General Science and Research, Simulations, Scientific Visualization
Beginner · Course · 1 - 3 Months

University of Maryland, College Park
Skills you'll gain: Fundraising, Business Management, Organizational Strategy, Event Management, Governance, Stakeholder Engagement, Business Planning, Marketing, Strategic Marketing, Planning, Business Marketing, Performing Arts, Growth Strategies
Beginner · Course · 1 - 3 Months

Deep Teaching Solutions
Skills you'll gain: Instructional Strategies, Teaching, Education and Training, Learning Strategies, Pedagogy, Classroom Management, Lecturing, Learning Theory, Differentiated Instruction, Student Engagement, Human Learning, Stress First Aid, Time Management, Mental Concentration, Student-Centred Learning, Adaptability
Beginner · Course · 1 - 4 Weeks

University of California, Davis
Skills you'll gain: Employee Coaching, Coaching, Leadership and Management, Team Management, Adaptability, Professional Development, People Development, Leadership, Mentorship, Emotional Intelligence, Decision Making, Communication, Active Listening, Critical Thinking
Mixed · Course · 1 - 4 Weeks

University of Colorado System
Skills you'll gain: Energy and Utilities, Oil and Gas, Strategic Thinking, Global Marketing, Business Analysis, Business Economics, Supply And Demand, Stakeholder Analysis, Business Analytics, Economics, Political Sciences, Environment and Resource Management, Natural Resource Management, Emerging Technologies
Mixed · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Data Structures, Algorithms, Theoretical Computer Science, Programming Principles, Computational Thinking, Data Science, Analysis, Big Data, Probability & Statistics, Python Programming
Build toward a degree
Intermediate · Course · 1 - 4 Weeks

McMaster University
Skills you'll gain: Exercise Science, Kinesiology, Productivity, Cardiology, Stress Management, Time Management, Adaptability, Human Musculoskeletal System, Nutrition and Diet, Physiology, Mental Health, Goal Setting
Beginner · Course · 1 - 4 Weeks

University of Manchester
Skills you'll gain: Sustainable Business, Corporate Sustainability, Business Ethics, Environmental Social And Corporate Governance (ESG), Sustainable Development, Intercultural Competence, Ethical Standards And Conduct, Team Oriented, Decision Making, Cultural Diversity, Systems Thinking, Stakeholder Management, Stakeholder Engagement
Mixed · Course · 1 - 3 Months

The University of Tokyo
Skills you'll gain: Higher Education, Cultural Sensitivity, Intercultural Competence, Cultural Diversity, Language Learning, Research
Beginner · Course · 1 - 4 Weeks

The Chinese University of Hong Kong
Skills you'll gain: Operations Research, Computational Logic, Advanced Mathematics, Combinatorics, Algorithms, Applied Mathematics, Graph Theory, Mathematical Modeling, Mathematical Software, Computational Thinking, Programming Principles, Theoretical Computer Science, Program Development, Performance Tuning, Linear Algebra
Intermediate · Course · 1 - 4 Weeks