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: Control Systems, Vibrations, Systems Engineering, Mechanics, Numerical Analysis, Differential Equations, Mathematical Modeling, Simulation and Simulation Software, Engineering Analysis, Simulations, Safety Assurance, Geometry, Linear Algebra, Torque (Physics), Applied Mathematics, Physics, Calculus, Mathematical Theory & Analysis
Advanced · Specialization · 1 - 3 Months

Alfaisal University | KLD
Skills you'll gain: Creative Problem-Solving, Cognitive flexibility, Innovation, Organizational Leadership, Strategic Leadership, Leadership, Adaptability, Dealing With Ambiguity, Leadership and Management, Decision Making
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Object Oriented Design, Object Oriented Programming (OOP), Java Programming, Java, Record Keeping
Intermediate · Guided Project · Less Than 2 Hours

IE Business School
Skills you'll gain: Entrepreneurship, Business Risk Management, Growth Strategies, Risk Management, Business Planning, Business Strategies, Business Strategy, Market Share, Innovation, Problem Solving, Leadership and Management, Competitive Analysis, Case Studies
Beginner · Course · 1 - 4 Weeks
University of Colorado Boulder
Skills you'll gain: Design Elements And Principles, Graphic and Visual Design, Visual Design, Design, Media and Communications, Color Theory, Art History, Typography, Creativity, Psychology
Intermediate · Course · 1 - 4 Weeks

Fundação Instituto de Administração
Skills you'll gain: Strategic Leadership, Leadership Development, People Management, Team Leadership, Business Leadership, Professional Development, Organizational Leadership, Leadership and Management, Leadership, Strategic Decision-Making, Team Performance Management, Positivity, Employee Engagement, Team Building, Innovation, Emotional Intelligence, Productivity, Growth Strategies
Beginner · Course · 1 - 4 Weeks

Corporate Finance Institute
Skills you'll gain: Regression Analysis, Statistical Modeling, Statistical Analysis, Predictive Modeling, Data Analysis, Scikit Learn (Machine Learning Library), Microsoft Excel, Linear Algebra, Model Evaluation, Supervised Learning, Exploratory Data Analysis
Advanced · Course · 1 - 3 Months

Skills you'll gain: Logo Design, Adobe Illustrator, Presentations, Typography, Graphic Design, Branding, Marketing Design, Brainstorming, Design Thinking, Color Theory, User Research, Design Research
Mixed · Course · 1 - 4 Weeks

LearnKartS
Skills you'll gain: AWS SageMaker, Data Preprocessing, Computer Vision, Natural Language Processing, Machine Learning, Data Wrangling, Reinforcement Learning, Artificial Intelligence, Model Deployment
Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Verification And Validation, Computational Logic, Theoretical Computer Science, Automation, Agentic systems, System Requirements, Robotics, Artificial Intelligence, Algorithms
Build toward a degree
Intermediate · Course · 1 - 3 Months

University of Glasgow
Skills you'll gain: Data Literacy, Strategic Leadership, Data-Driven Decision-Making, Business Leadership, Organizational Leadership, Leadership, Data Analysis, Leadership Development, Leadership and Management, Agile Methodology, Project Implementation, Organizational Structure
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Demand Planning, Customer Demand Planning, Supply Chain Planning, Production Planning, Forecasting, Time Series Analysis and Forecasting, Trend Analysis, Inventory Management System, Data Analysis, R Programming, Data Visualization, R (Software), Model Evaluation
Intermediate · Guided Project · Less Than 2 Hours