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.

O.P. Jindal Global University
Skills you'll gain: Economics, Game Theory, Economic Development, Market Dynamics, Socioeconomics, Behavioral Economics, Business Economics, Policy Analysis, Public Policies, Decision Making, Market Analysis, Consumer Behaviour, Supply And Demand, Analysis, Cost Benefit Analysis, Strategic Decision-Making, Competitive Analysis, Production Planning, Critical Thinking, Resource Allocation
Build toward a degree
Beginner · Course · 1 - 3 Months

Skills you'll gain: CI/CD, Authorization (Computing), Package and Software Management, Infrastructure as Code (IaC), Azure DevOps, Authentications, Application Deployment, Continuous Integration, DevSecOps, DevOps, Security Controls, GitHub, Continuous Deployment, Git (Version Control System), Agile Methodology, Performance Tuning, Identity and Access Management, Version Control, Microsoft Azure, Continuous Delivery
Advanced · Specialization · 1 - 3 Months

Skills you'll gain: Storytelling, Graphic and Visual Design, Marketing Design, Color Theory, Creative Thinking, Creative Problem-Solving
Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Network Analysis, Unsupervised Learning, Social Network Analysis, Supervised Learning, Unstructured Data, Marketing Analytics, Deep Learning, Scikit Learn (Machine Learning Library), Machine Learning, Tensorflow, Data Science, Text Mining, Data Analysis, Predictive Modeling, Classification And Regression Tree (CART), JSON, Data Manipulation, Data Structures, Python Programming, Data Visualization
Build toward a degree
Beginner · Specialization · 3 - 6 Months

University of Colorado Boulder
Skills you'll gain: Multimodal Prompts, Linear Algebra
Build toward a degree
Advanced · Course · 1 - 4 Weeks

Politecnico di Milano
Skills you'll gain: Business Modeling, Augmented and Virtual Reality (AR/VR), Innovation, Technology Strategies, Virtual Environment, Business Transformation, Systems Thinking, Emerging Technologies, Strategic Thinking, Business Strategies, Technology Solutions, Digital Transformation
Beginner · Course · 1 - 3 Months

Scrimba
Skills you'll gain: Web Content Accessibility Guidelines, Web Design, Usability, HTML and CSS, User Interface (UI), Semantic Web
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

University of Maryland, College Park
Skills you'll gain: Team Motivation, Negotiation, Team Leadership, Product Roadmaps, Team Building, Organizational Leadership, Conflict Management, Leadership, Scaled Agile Framework, Strategic Leadership, Agile Methodology, Leadership and Management, Product Management, Business Leadership, Team Management, People Development, Cross-Functional Collaboration, Product Development, Product Strategy, Decision Making
Beginner · Course · 1 - 3 Months

IE Business School
Skills you'll gain: Diversity and Inclusion, Team Building, Culture Transformation, Governance, Corporate Strategy, Employee Onboarding, Compliance Management, Go To Market Strategy, Entrepreneurship, Recruitment Strategies, Employee Retention, Organizational Leadership, Leadership and Management, Business Strategy
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Data Ethics, Business Ethics, Ethical Standards And Conduct, Responsible AI, Artificial Intelligence, Information Privacy, Informed Consent, Personally Identifiable Information, Accountability, Generative AI Agents, Data Governance, Data Collection, Algorithms
Beginner · Course · 1 - 4 Weeks
Skills you'll gain: Team Motivation, Motivational Skills, Accountability, Organizational Leadership, Drive Engagement, Team Leadership, Dealing With Ambiguity, Leadership, Leadership and Management, Leadership Development, Strategic Leadership, Team Management, Business Leadership, Organizational Effectiveness, Organizational Strategy, Strategic Decision-Making, Team Building, Stress Management, Professional Development, Innovation
Intermediate · Course · 1 - 4 Weeks