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: Physics, Physical Science, Materials science, Chemistry, Mechanics, Mathematical Modeling, Computational Thinking, Simulations, Applied Mathematics
Beginner · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Responsible AI, Data Ethics, Deep Learning, Artificial Neural Networks, Reinforcement Learning, Generative AI, Machine Learning Algorithms, Debugging, Artificial Intelligence, Applied Machine Learning, Image Analysis, Unsupervised Learning, Machine Learning, Machine Learning Methods, Computer Vision, Artificial Intelligence and Machine Learning (AI/ML), Bayesian Statistics, Supervised Learning, Network Architecture, Markov Model
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Computational Thinking, Algorithms, Graph Theory, Data Structures, Computer Programming, C++ (Programming Language), Object Oriented Programming (OOP)
Intermediate · Course · 1 - 4 Weeks

Radio y Televisión Española
Skills you'll gain: Social Media Content, Social Media Strategy, Live Streaming, Photo/Video Production and Technology, Social Media Management, Content Strategy, Web Content, Media and Communications, Content Creation, Journalism, Mobile Development Tools, Research, Digital Communications, Investigation, Social Network Analysis, Trend Analysis, Verification And Validation, Facebook, Data Validation, Open Source Technology
Beginner · Specialization · 3 - 6 Months

University of Colorado Boulder
Skills you'll gain: Sustainable Design, Sustainable Business, Sustainable Technologies, Operations Management, Manufacturing Operations, Environmental Engineering, Corporate Sustainability, Business Leadership, Industrial Engineering, Climate Change Mitigation, Product Design, Environmental Resource Management, Waste Minimization, Systems Thinking, Digital Transformation, Emerging Technologies
Build toward a degree
Beginner · Course · 1 - 4 Weeks

Whizlabs
Skills you'll gain: Microsoft Azure, Kubernetes, Containerization, Virtual Machines, Application Deployment, Cloud Computing, Cloud Infrastructure, Platform As A Service (PaaS), Infrastructure as Code (IaC), Scalability, Command-Line Interface
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Artificial Neural Networks, Data Visualization, Exploratory Data Analysis, Data Presentation, Applied Machine Learning, Machine Learning Methods, Predictive Modeling, Deep Learning, Classification And Regression Tree (CART), Data Analysis, Predictive Analytics, Machine Learning Algorithms, Machine Learning, Statistical Analysis, Feature Engineering, Python Programming
Beginner · Guided Project · Less Than 2 Hours

University of Colorado Boulder
Skills you'll gain: Mathematical Modeling, Statistical Modeling, Machine Learning Algorithms, Artificial Intelligence, Generative AI
Build toward a degree
Intermediate · Course · 1 - 3 Months

The University of Notre Dame
Skills you'll gain: Data Ethics, Analytics, Responsible AI, Big Data, Data Analysis, Ethical Standards And Conduct, Machine Learning, Business Ethics, Artificial Intelligence and Machine Learning (AI/ML), Information Privacy, Artificial Intelligence, Technology Strategies, Law, Regulation, and Compliance, Predictive Analytics, Social Justice, Case Studies
Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Semiconductors, Advanced Mathematics, Materials science, Physics, Physical Science, Mathematical Modeling
Beginner · Course · 1 - 4 Weeks

University of Virginia
Skills you'll gain: Design Thinking, Ideation, Innovation, Creative Problem-Solving, Presentations, Creativity, Storytelling, Data Visualization, Strategic Thinking, Case Studies, Test Tools, Leadership and Management, Marketing
Beginner · Course · 1 - 3 Months

Skillshare
Skills you'll gain: Video Editing, Color Matching
Beginner · Specialization · 1 - 3 Months