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.

Johns Hopkins University
Skills you'll gain: Research, Research Design, Consumer Behaviour, Influencing, Persuasive Communication, Ethical Standards And Conduct, Marketing Psychology, Behavioral Economics, Biomedical Technology, Experimentation, Neurology, Marketing, Data Analysis, Statistical Analysis
Intermediate · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Verification And Validation, Computational Logic, Theoretical Computer Science, Automation, System Testing, Systems Design, System Design and Implementation, Algorithms
Build toward a degree
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: AWS Identity and Access Management (IAM), Disaster Recovery, Identity and Access Management, Amazon Web Services, Cloud Security, Cloud Management, Amazon Elastic Compute Cloud, Data Security, Public Cloud, Infrastructure Security
Beginner · Course · 1 - 4 Weeks

LearnKartS
Skills you'll gain: Critical Thinking, Problem Solving, Growth Mindedness, Creative Thinking, Complex Problem Solving, Creative Problem-Solving, Strategic Thinking, Cognitive flexibility, Brainstorming, Continuous Improvement Process, Systems Thinking, Analytical Skills, Decision Making, Process Analysis, Analysis, Root Cause Analysis, Data-Driven Decision-Making
Beginner · Course · 1 - 4 Weeks

Packt
Skills you'll gain: Case Studies, Team Management, Accountability, Leadership and Management, Virtual Teams, Team Building, Collaboration, Leadership, Communication, Workforce Management, Productivity, Employee Engagement, Adaptability
Intermediate · Course · 1 - 4 Weeks

IE Business School
Skills you'll gain: Growth Strategies, Entrepreneurship, Key Performance Indicators (KPIs), Go To Market Strategy, Sales Management, Product Management, Sales Strategy, New Business Development, Product Development, Operational Efficiency, Product Strategy, Business Strategies, Business Process, Business Strategy, Price Negotiation, Customer Acquisition Management, Customer Insights, Leadership and Management, Fundraising
Beginner · Course · 1 - 4 Weeks

University of Maryland, College Park
Skills you'll gain: Stakeholder Engagement, Program Management, Stakeholder Management, Change Management, Strategic Leadership, Product Roadmaps, Leadership, Leadership and Management, Organizational Change, Organizational Strategy, Project Management Office (PMO), Project Management, Innovation, Digital Transformation, Decision Making
Beginner · Course · 1 - 3 Months

Banco Interamericano de Desarrollo
Skills you'll gain: Climate Change Mitigation, Energy and Utilities, Environmental Issue, Environmental Science, Climate Change Adaptation, Environment, Education and Training, Sustainable Development, Teaching, Systems Thinking, Collaboration
Beginner · Course · 1 - 4 Weeks
Skills you'll gain: Version Control, GitHub, Django (Web Framework), Application Deployment, Object-Relational Mapping, Development Environment, Unit Testing, Database Development, Bootstrap (Front-End Framework), Model View Controller, Virtual Environment, Application Frameworks, PostgreSQL, HTML and CSS, Python Programming
Intermediate · Course · 1 - 4 Weeks
University of Michigan
Skills you'll gain: Education and Training, Higher Education, International Relations, Systems Thinking, Teaching, Social Justice, World History, Systems Analysis, Community Development, Leadership, Policty Analysis, Research, and Development, Policy Analysis, Discussion Facilitation, Diversity Equity and Inclusion Initiatives
Beginner · Course · 1 - 3 Months

Skills you'll gain: Continuous Delivery, Continuous Deployment, Continuous Integration, Test Driven Development (TDD), CI/CD, Agile Methodology, Test Automation, Unit Testing, Software Development, Software Development Methodologies, Code Review, Software Testing, Debugging, Python Programming, Version Control
Intermediate · Course · 1 - 4 Weeks

Macquarie University
Skills you'll gain: Threat Modeling, Incident Response, Cyber Governance, Cyber Security Strategy, Threat Management, Cyber Risk, Cybersecurity, Cyber Attacks, Cyber Security Policies, Cyber Security Assessment, Cyber Threat Intelligence, Threat Detection, Leadership, Compliance Management, Leadership and Management, Governance, Risk Management, ISO/IEC 27001, NIST 800-53, Resilience
Beginner · Course · 1 - 3 Months