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.

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

Banco Interamericano de Desarrollo
Skills you'll gain: Climate Change Mitigation, Energy and Utilities, Environmental Issue, Environmental Science, Environment, Education and Training, Sustainable Development, Sustainable Technologies, Systems Thinking, Collaboration
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: AWS CloudFormation, Infrastructure as Code (IaC), Amazon Web Services, Cloud Infrastructure, Configuration Management, IT Automation, Patch Management, Cloud Security, Automation
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: AWS Identity and Access Management (IAM), Identity and Access Management, AI Security, Amazon Web Services, Data Ethics, Generative AI, AWS SageMaker, Cloud Security, MLOps (Machine Learning Operations), Data Security, Data Governance, Artificial Intelligence, Encryption, Public Cloud, General Data Protection Regulation (GDPR)
Intermediate · Course · 1 - 4 Weeks

Whizlabs
Skills you'll gain: Containerization, CI/CD, Amazon Web Services, Devops Tools, Software Development Tools, Docker (Software), Kubernetes, Application Deployment, Continuous Integration, Continuous Deployment, Application Performance Management, Frontend Integration, Command-Line Interface
Intermediate · Course · 1 - 4 Weeks

Interactive Brokers
Skills you'll gain: Economics, Supply And Demand, Market Dynamics, Compensation Management, Market Trend, Economic Development, Market Data, Trend Analysis, Forecasting
Beginner · Course · 1 - 4 Weeks

Politecnico di Milano
Skills you'll gain: Health Technology, Health Assessment, Digital Transformation, Health Systems, Public Health, Emergency Response, Community Mental Health Services, Health Care Procedure and Regulation, Policy Development, Health Policy, Mental Health, Public Administration, Data Collection
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Unreal Engine, 3D Assets, 3D Modeling, Cinematography, Virtual Environment, Computer Graphics, Animations, Augmented and Virtual Reality (AR/VR), Game Design, Video Production, Animation and Game Design, Computer Graphic Techniques, User Interface (UI), Scalability, Color Theory, Simulations, Performance Tuning, Design
Beginner · Specialization · 3 - 6 Months

Johns Hopkins University
Skills you'll gain: Rmarkdown, Data Science, R (Software), GitHub, Data Literacy, Version Control, Data Analysis, Big Data, R Programming, Git (Version Control System), Statistical Programming, Data Quality, Data Management
Mixed · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Data Validation, Virtual Environment, Scenario Testing, Agentic systems
Beginner · Project · Less Than 2 Hours

Whizlabs
Skills you'll gain: Serverless Computing, Amazon S3, Amazon Web Services, Kubernetes, Containerization, Cloud Storage, Disaster Recovery, Application Deployment, Cloud Deployment, Cloud Computing Architecture, Cloud Solutions, Data Storage Technologies
Intermediate · Course · 1 - 4 Weeks

Coursera Classroom
Skills you'll gain: Version Control, Quality Assurance, Learning Management Systems, Change Control
Intermediate · Guided Project · Less Than 2 Hours