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.

University of Alberta
Skills you'll gain: Conflict Management, Diversity Equity and Inclusion Initiatives, Team Leadership, Workplace inclusivity, Stress Management, Organizational Leadership, Diversity and Inclusion, Mental Health, People Management, Rapport Building, Leadership, Leadership and Management, Occupational Safety And Health, Personal Development, Employee Performance Management, Emotional Intelligence, Employee Engagement, Empathy, Resilience, Communication
Beginner · Specialization · 3 - 6 Months

Skillshare
Skills you'll gain: Adobe Illustrator, Color Theory, Graphics Software, Design Elements And Principles, Graphic and Visual Design, Design Software, Typography, Logo Design, Graphic Design, Graphic and Visual Design Software, Graphical Tools, Adobe Creative Cloud, Layout Design, Creativity
Beginner · Specialization · 1 - 3 Months

University of Amsterdam
Skills you'll gain: Innovation, Systems Thinking, Storytelling, Social Impact, Critical Thinking, Policy Analysis, Social Sciences, Cultural Diversity, Economics
Intermediate · Course · 1 - 3 Months
Dartmouth College
Skills you'll gain: Liberal Arts, Systems Thinking, Psychology, Research, Science and Research
Mixed · Course · 1 - 4 Weeks

Universidade Estadual de Campinas
Skills you'll gain: Video Game Development, Game Design, Aesthetics, Art History, Culture, Liberal Arts, Creativity, Design, Cultural Diversity, Systems Thinking, Social Impact
Mixed · Course · 1 - 3 Months

Packt
Skills you'll gain: Threat Management, Vulnerability Assessments, Incident Response, Computer Security Incident Management, Public Key Infrastructure, IT Security Architecture, Disaster Recovery, Vulnerability Management, Regulation and Legal Compliance, Threat Detection, Cyber Security Assessment, Risk Management, Compliance Management, Regulatory Compliance, Network Security, Infrastructure Security, Cloud Security, Hardening, Security Engineering, Software-Defined Networking
Beginner · Specialization · 1 - 4 Weeks

Skills you'll gain: Canva (Software), Logo Design, Prompt Engineering, Brainstorming, Brand Strategy, Branding, Graphic and Visual Design, ChatGPT, Color Theory, Target Audience, Creativity, Typography
Mixed · Course · 1 - 4 Weeks

University of Virginia Darden School Foundation
Skills you'll gain: Business Strategy, Competitive Analysis, Strategic Decision-Making, Organizational Strategy, Market Analysis, Analysis, Business Analysis, Business Modeling, Value Propositions, Case Studies, Market Dynamics
Beginner · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: DevOps, DevSecOps, CI/CD, GitHub, Continuous Deployment, Continuous Integration, Version Control, Git (Version Control System), Process Improvement, Software Development, IT Automation, Digital Transformation, Business Transformation, Cross-Functional Collaboration, Continuous Improvement Process, Agile Methodology
Intermediate · Course · 1 - 4 Weeks

Fundação Instituto de Administração
Skills you'll gain: Systems Thinking, Surveys, Innovation, Simulations, Forecasting, Contingency Planning, Strategic Thinking, Simulation and Simulation Software, Process Flow Diagrams, Project Design, Systems Analysis, Corporate Strategy, Business Planning, Strategic Planning, Complex Problem Solving, Business Strategy, Strategic Decision-Making, Analysis, Diagram Design, Verbal Communication Skills
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Amazon S3, Amazon Web Services, Cloud Hosting, Version Control, Application Deployment, Cloud Storage, Web Design and Development, Public Cloud
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Canva (Software), Storytelling, Color Theory, Data Sharing, Organizational Skills, Graphic and Visual Design, Graphic and Visual Design Software, Graphic Design, Content Creation, Digital Design, Dashboard, User Accounts, Design Elements And Principles, Marketing
Intermediate · Guided Project · Less Than 2 Hours