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 Colorado Boulder
Skills you'll gain: Entrepreneurial Finance, Design Thinking, Business Modeling, Entrepreneurship, Business Planning, Performance Measurement, Competitive Analysis, Market Research, Leadership and Management, Value Propositions, New Product Development, Operational Analysis, Market Opportunities, Target Market, Product Development, Intellectual Property, Gap Analysis, Systems Thinking, Engineering Management, Engineering
Build toward a degree
Beginner · Specialization · 3 - 6 Months
Skills you'll gain: Django (Web Framework), Application Programming Interface (API), Application Frameworks, Web Development, Python Programming, Computer Programming, GitHub, Development Environment, Version Control
Advanced · Course · 1 - 4 Weeks

University of Alberta
Skills you'll gain: Virtual Teams, Recognizing Others, Conflict Management, Emotional Intelligence, Collaboration, Occupational Health, Teamwork, Stress Management, Mental Health, Occupational Safety and Health Administration (OSHA), Crisis Management, Empathy, Workplace inclusivity, Occupational Safety And Health, Human Resource Policies, Self-Awareness, Personal Development, Resilience, Communication, Leadership and Management
Beginner · Specialization · 3 - 6 Months
Korea Advanced Institute of Science and Technology(KAIST)
Skills you'll gain: Semiconductors, Electronics Engineering, Electronics, Process Engineering, Manufacturing Processes, Electronic Components, Chemical Engineering, Materials science, Chemistry
Intermediate · Course · 1 - 3 Months

Edureka
Skills you'll gain: Angular, Application Deployment, JavaScript Frameworks, Software Testing, Test Tools, Web Development Tools, Unit Testing, Application Performance Management, CI/CD, Continuous Integration, Web Applications, TypeScript, Ajax, Application Lifecycle Management, Secure Coding, Web Development, Code Coverage, Software Architecture, Command-Line Interface, Version Control
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Docker (Software), CI/CD, Application Deployment, Amazon Elastic Compute Cloud, DevOps, Containerization, Cloud Hosting, Spring Boot, Continuous Deployment, Cloud Applications, Amazon Web Services, Continuous Integration, GitHub
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Azure DevOps, Continuous Delivery, CI/CD, DevOps, Test Planning, Continuous Integration, Git (Version Control System), YAML, GitHub, Agile Methodology, Version Control, Development Testing, Agile Project Management, Application Deployment, Release Management, Sprint Planning, Scrum (Software Development), Code Review
Intermediate · Course · 1 - 3 Months

Microsoft
Skills you'll gain: Responsive Web Design, Git (Version Control System), Web Development, Cascading Style Sheets (CSS), React.js, Version Control, Web Development Tools, Full-Stack Web Development, GitHub, HTML and CSS, Application Design, Software Design Documents, Game Design, Debugging, Software Testing, Unit Testing, Software Documentation, Software Development, Development Environment, Javascript
Beginner · Professional Certificate · 3 - 6 Months

Birla Institute of Technology & Science, Pilani
Skills you'll gain: Operating Systems, OS Process Management, System Programming, File Systems, Unix Commands, Command-Line Interface, System Monitoring, System Design and Implementation, Performance Tuning, Package and Software Management, File Management, Algorithms, Cloud Platforms, Security Controls, User Accounts, Debugging
Intermediate · Course · 1 - 3 Months

University of California, Irvine
Skills you'll gain: Stakeholder Management, Conflict Management, Planning, Project Planning, Project Management, Organizational Structure, Requirements Management, Project Scoping, Leadership and Management, Project Documentation, Influencing
Mixed · Course · 1 - 3 Months

Microsoft
Skills you'll gain: Rmarkdown, Version Control, Web Scraping, Regression Analysis, Knitr, Exploratory Data Analysis, Statistical Analysis, Data Manipulation, Dimensionality Reduction, Ggplot2, Geospatial Information and Technology, Time Series Analysis and Forecasting, Plotly, Microsoft Azure, Data Cleansing, Data Visualization, Data Wrangling, Software Documentation, R Programming, Microsoft Copilot
Beginner · Professional Certificate · 3 - 6 Months

Skills you'll gain: Graphic and Visual Design, Graphic Design, Graphic and Visual Design Software, Adobe Photoshop, Creative Design, Typography, 3D Modeling, Color Theory, Visualization (Computer Graphics), Color Matching, Computer Graphic Techniques
Intermediate · Guided Project · Less Than 2 Hours