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: Marketing Analytics, Customer Analysis, Customer Retention, Predictive Analytics, Customer Insights, Data-Driven Decision-Making, Personalized Service, Marketing Strategies, Business Analytics, Customer Acquisition Management, Customer experience improvement, Loyalty Programs, Consumer Behaviour
Beginner · Course · 3 - 6 Months

University of Leeds
Skills you'll gain: Professional Development, Professionalism, Web Content, Relationship Building, Content Management, System Configuration, Information Privacy, General Networking, Planning, Communication Strategies
Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Delegation Skills, Engineering Management, Technical Management, Organizational Leadership, Culture Transformation, Leadership and Management, Team Leadership, Team Motivation, Leadership, Organizational Effectiveness, Employee Engagement, Empowerment, Employee Performance Management
Build toward a degree
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Generative AI, PyTorch (Machine Learning Library), Generative Model Architectures, Multimodal Prompts, Artificial Neural Networks, Deep Learning, Data Manipulation
Intermediate · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Social Network Analysis, Network Analysis, Data Analysis, Exploratory Data Analysis, Analytics, Statistical Analysis, Social Sciences, Behavioral Economics, Research, Data Collection, Sociology, Data Transformation, Persuasive Communication, Application Programming Interface (API), Media and Communications, Substance Abuse, Psychology
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Outbound Calls, Operational Efficiency, Generative AI Agents, Workflow Management, Business Process Automation, Customer Service, Automation, Prompt Engineering, Systems Integration, Integration Testing
Beginner · Guided Project · Less Than 2 Hours

Skillshare
Skills you'll gain: 3D Modeling, 3D Assets, Color Theory, Computer Graphics, Visualization (Computer Graphics), Animation and Game Design, Graphical Tools, Data Import/Export, Image Quality, User Interface (UI), Creative Design
Beginner · Specialization · 1 - 3 Months

Politecnico di Milano
Skills you'll gain: Sustainable Business, Business Modeling, Corporate Sustainability, Business Transformation, Environment and Resource Management, Business Technologies, Finance, Policy Development, Case Studies
Beginner · Course · 1 - 3 Months

Coursera
Skills you'll gain: Canva (Software), Color Theory, Photo Editing, Scalability, Design Elements And Principles, Typography, Graphic Design, Content Creation, Content Marketing, Digital Marketing
Intermediate · Guided Project · Less Than 2 Hours

University of Pittsburgh
Skills you'll gain: Statistical Analysis, Statistical Modeling, Predictive Modeling, Data Analysis, Statistics, Integral Calculus, Probability & Statistics, Data Science, Probability Distribution, Calculus, Mathematics and Mathematical Modeling, Mathematical Theory & Analysis, Applied Mathematics, Derivatives, Mathematical Modeling, Machine Learning, Algorithms
Build toward a degree
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

Whizlabs
Skills you'll gain: AWS SageMaker, Predictive Modeling, Applied Machine Learning, Data Modeling, Amazon Web Services, Machine Learning, Machine Learning Algorithms, Performance Tuning
Beginner · Course · 1 - 4 Weeks