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.

Board Infinity
Skills you'll gain: Test Planning, Test Tools, Configuration Management, Software Testing, Test Automation, Integration Testing, System Testing, Acceptance Testing, Software Quality Assurance, Test Data, Risk Management, Test Case, Risk Management Framework, Issue Tracking, Performance Testing, Version Control
Beginner · Course · 1 - 4 Weeks

Skillshare
Skills you'll gain: Adobe After Effects, Motion Graphics, Animations, Multimedia, Logo Design, Cinematography, Video Editing, 3D Modeling, Adobe Illustrator, Adobe Photoshop, Computer Graphics, Creative Design, Typography, Graphical Tools, Graphic Design, File Management, Color Theory
Beginner · Specialization · 1 - 3 Months

LearnKartS
Skills you'll gain: Conflict Management, Emotional Intelligence, Mediation, Relationship Management, Teamwork, Negotiation, De-escalation Techniques, Collaboration, Leadership, Empathy, Active Listening, Communication
Intermediate · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Crisis Management, Systems Thinking, Adaptability, Sustainable Development, Climate Change Adaptation, Change Management, Disaster Recovery, Resilience, Threat Management, Contingency Planning, Systems Engineering, Organizational Change, Business Continuity, Infrastructure Security, Business Ethics, Stakeholder Communications, Threat Detection, Engineering Management, Risk Management, Emergency Response
Build toward a degree
Intermediate · Specialization · 3 - 6 Months

Rutgers the State University of New Jersey
Skills you'll gain: Employee Engagement, Diversity Equity and Inclusion Initiatives, Social Justice, Compensation Strategy, Case Studies, Compensation and Benefits, Economics, Policy, and Social Studies, Economic Development, Collaboration, Entrepreneurship, Governance, Business Modeling, Leadership and Management, Business Transformation, Succession Planning, Research, Business Development
Beginner · Course · 1 - 4 Weeks

Alfaisal University | KLD
Skills you'll gain: Economic Development, Performance Analysis, Economics, Business Economics, International Finance, Market Data, Business Valuation, Financial Acumen, Key Performance Indicators (KPIs), Business Metrics, Equities, Supply And Demand, Payment Systems, Market Dynamics
Beginner · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Statistics, Regression Analysis, Probability, Statistical Hypothesis Testing, Probability Distribution, Statistical Analysis, Statistical Inference, Sampling (Statistics), Combinatorics
Intermediate · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Network Analysis, Statistical Modeling, Bayesian Network, R (Software), R Programming, Social Network Analysis, Simulations, Graph Theory, Statistical Analysis, Probability & Statistics, Markov Model, Probability Distribution, Data Visualization, Machine Learning, Statistical Hypothesis Testing
Intermediate · Course · 1 - 4 Weeks

Fundação Instituto de Administração
Skills you'll gain: Process Mapping, Process Improvement, Business Modeling, Business Process, Organizational Structure, Project Management, Operations Management, Business Strategy, Leadership and Management, Organizational Effectiveness, Innovation, Competitive Analysis
Mixed · Course · 1 - 3 Months

Skills you'll gain: Data Structures, Algorithms, Computer Programming, Computational Thinking, Theoretical Computer Science, Performance Tuning
Intermediate · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Delegation Skills, Engineering Management, Technical Management, Organizational Leadership, Culture Transformation, Leadership and Management, Team Leadership, Team Motivation, Leadership, Organizational Effectiveness, Employee Engagement, Empowerment, Employee Performance Management
Build toward a degree
Beginner · Course · 1 - 4 Weeks

Copenhagen Business School
Skills you'll gain: Artificial Intelligence, Large Language Modeling, Natural Language Processing, Theoretical Computer Science, Human Learning, Statistical Analysis, Artificial Neural Networks, Computational Thinking, Human Computer Interaction, Social Impact
Beginner · Course · 1 - 4 Weeks