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 Michigan
Skills you'll gain: Intercultural Competence, Human Capital, Cultural Diversity, Human Resources Management and Planning, Human Resource Strategy, Cultural Sensitivity, Case Studies, Workforce Management, Leadership
Intermediate · Course · 1 - 4 Weeks

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

Skills you'll gain: Power BI, Dashboard, Interactive Data Visualization, Data Analysis Expressions (DAX), Business Reporting, Data Governance, Data Modeling, Data Transformation, Data Management, Data Manipulation, Role-Based Access Control (RBAC), Data Security, Data Cleansing
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Prompt Engineering, Color Theory, Style Guides, Generative AI, Graphic and Visual Design, Creativity, ChatGPT, Creative Design, Aesthetics, Design Elements And Principles, Image Analysis
Beginner · Course · 1 - 4 Weeks

University of Lausanne
Skills you'll gain: Public Health, Health Policy, Community Health, Health Disparities, Governance, Health Systems, Policy Development, Environmental Policy, Social Determinants Of Health, Health Assessment, Systems Thinking, Sustainable Development
Intermediate · Course · 1 - 3 Months

Duke University
Skills you'll gain: Exploratory Data Analysis, Ggplot2, Data Visualization Software, Tidyverse (R Package), Data Visualization, Version Control, Data Analysis, Statistical Methods, Data Wrangling, R Programming, GitHub, Data Transformation, Statistical Analysis, Git (Version Control System), Data Manipulation, Statistical Programming
Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Team Building, Resilience, Leadership Development, Emotional Intelligence, Teamwork, Professional Development, Team Performance Management, Leadership, Team Management, Initiative and Leadership, Team Motivation, Conflict Management, Management Training And Development, Team Oriented, Team Leadership, Rapport Building, Overcoming Obstacles, Persistence, Collaboration, Communication
Beginner · Course · 1 - 4 Weeks

University of Virginia
Skills you'll gain: Product Management, New Product Development, Product Roadmaps, Product Lifecycle Management, Product Improvement, Innovation, Business Modeling, Stakeholder Engagement, Product Testing, Leadership and Management, Growth Strategies, Customer Engagement, Cross-Functional Collaboration, Customer Insights, Data-Driven Decision-Making
Beginner · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Application Programming Interface (API), GraphQL, API Design, Restful API, Postman API Platform, OAuth, Software Documentation, Authentications, Debugging, Real Time Data, Web Development, JavaScript Frameworks, Node.JS, JSON, Authorization (Computing), Version Control
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: CI/CD, Application Deployment, Software Development Life Cycle, Continuous Deployment, Continuous Integration, Amazon Web Services, AWS CloudFormation, Amazon Elastic Compute Cloud, Regression Testing, Unit Testing, Infrastructure as Code (IaC), Docker (Software), Containerization, Amazon S3, Git (Version Control System)
Intermediate · Course · 1 - 4 Weeks

Fundação Instituto de Administração
Skills you'll gain: Human Resources Management and Planning, Human Resource Strategy, Human Resources, Human Capital, People Management, Behavior Management, Workforce Management, Organizational Strategy, Organizational Effectiveness, Employee Engagement
Beginner · Course · 1 - 4 Weeks

Northeastern University
Skills you'll gain: Database Design, Database Theory, Database Management, Database Systems, Relational Databases, Databases, Database Management Systems, SQL, NoSQL, Data Modeling, Unified Modeling Language, Data Manipulation, Performance Tuning
Build toward a degree
Mixed · Course · 1 - 3 Months