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.

Skills you'll gain: Data Science, Unsupervised Learning, Exploratory Data Analysis, Probability & Statistics, Machine Learning Algorithms, Applied Machine Learning, Classification And Regression Tree (CART), Data Analysis, Python Programming, Random Forest Algorithm, Dimensionality Reduction, Predictive Modeling, NumPy, Regression Analysis, Statistical Analysis, Data Processing, Deep Learning, Pandas (Python Package), Data Visualization, Data Manipulation
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Git (Version Control System), Version Control, Command-Line Interface, GitLab, Collaborative Software, File Management, Software Development Tools
Beginner · Guided Project · Less Than 2 Hours

Edureka
Skills you'll gain: YAML, Infrastructure as Code (IaC), CI/CD, Kubernetes, Devops Tools, Docker (Software), Extensible Markup Language (XML), Data Structures, Data Validation, JSON, Containerization, Scripting, DevOps, Configuration Management, Debugging, System Configuration, Automation, Software Versioning, Version Control, User Provisioning
Beginner · Course · 1 - 3 Months

Skills you'll gain: Adobe Photoshop, Photo Editing, Graphic and Visual Design, Graphic Design, Creative Design, Typography, Color Theory
Intermediate · Course · 1 - 4 Weeks

Whizlabs
Skills you'll gain: Network Security, Virtual Private Networks (VPN), Microsoft Azure, Firewall, Network Administration, Application Security, Network Architecture, Infrastructure Security, Load Balancing, Virtual Machines
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Linux Administration, Linux Servers, Cloud Infrastructure, Cloud Computing, Linux, Ubuntu, Operating System Administration, Infrastructure As A Service (IaaS), Scalability, Cloud Security, Servers, Web Servers, Apache, Firewall, PHP (Scripting Language)
Intermediate · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Crisis Management, Climate Change Adaptation, Change Management, Business Continuity, Organizational Change, Engineering Management, Sustainable Development, Systems Thinking, Organizational Leadership, Risk Management, Leadership, Innovation, Cross-Functional Collaboration
Build toward a degree
Intermediate · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Workplace Bullying Intervention, Disciplinary Procedures, Conflict Management, Leadership and Management, People Management, Organizational Leadership, Business Leadership, Emotional Intelligence, Leadership, Employee Performance Management, Employee Engagement, Human Resource Strategy, Self-Awareness, Employee Retention, Coaching, Communication Strategies
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Graph Theory, Javascript, Pseudocode, Programming Principles, Computer Science, Performance Tuning
Intermediate · Course · 1 - 3 Months

Birla Institute of Technology & Science, Pilani
Skills you'll gain: Linux Commands, Shell Script, Unix Commands, Operating System Administration, Systems Administration, Data Storage, Data Management, Process Management, Software Development, Computer Security
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Video Editing, Adobe Premiere, Post-Production, Video Production, Editing, Color Theory, Color Matching, Storytelling
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Performance Analysis, Marketing Planning, Marketing Strategies, Strategic Marketing, Global Marketing, Market Analysis, Product Strategy, Case Studies, Competitive Analysis, Brand Strategy, Brand Management, Strategic Planning, Market Opportunities, Consumer Behaviour, Logistics, Analysis
Mixed · Course · 1 - 4 Weeks