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: Version Control, GitLab, Continuous Integration, Software Versioning, CI/CD, Git (Version Control System), Software Development Tools, Javascript
Beginner · Guided Project · Less Than 2 Hours

ESSEC Business School
Skills you'll gain: Sustainable Business, Corporate Sustainability, Sustainable Development, Business Transformation, Organizational Change, Waste Minimization, Systems Thinking, Environmental Issue, Business Modeling, Innovation, Product Lifecycle Management, Stakeholder Engagement, Case Studies
Beginner · Course · 1 - 4 Weeks

Universidad Nacional Autónoma de México
Skills you'll gain: Digital Signal Processing, Musical Composition, Music, Music Theory, Performance Tuning, Data Import/Export, Programming Principles, Interoperability, Development Environment, File I/O
Intermediate · Course · 1 - 4 Weeks

Fundação Instituto de Administração
Skills you'll gain: Game Theory, Conflict Management, Bidding, Business Strategy, Negotiation, Strategic Thinking, Strategic Decision-Making, Market Dynamics, Market Analysis, Decision Making, Economics
Beginner · Course · 1 - 4 Weeks

Columbia University
Skills you'll gain: Systems Thinking, Social Justice, Economics, Policy, and Social Studies, Social Sciences, Complex Problem Solving, Problem Solving, Research, Political Sciences, Policy Analysis, Systems Analysis, Case Studies, Persuasive Communication, Critical Thinking, Simulations, Scientific Methods, Mathematical Modeling, Applied Mathematics, Human Learning
Beginner · Course · 1 - 3 Months

Skills you'll gain: Photo Editing, Photography, Adobe Photoshop, Photo/Video Production and Technology, Image Quality, Color Theory
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Quality Management, Quality Management Systems, Continuous Improvement Process, Kaizen Methodology, Supplier Quality Management, Process Improvement, Quality Assurance, Quality Control, Lean Manufacturing, Customer experience improvement, Employee Engagement, Supplier Relationship Management, Statistical Process Controls
Mixed · Course · 1 - 4 Weeks

University of Amsterdam
Skills you'll gain: Policy Analysis, Visionary, Systems Thinking, Innovation, Creative Thinking, Sustainable Development, Sustainable Systems, Social Justice, Case Studies, Cultural Diversity, Critical Thinking, Emerging Technologies
Intermediate · Course · 1 - 3 Months

University of Huddersfield
Skills you'll gain: Leadership Development, Leadership, Leadership and Management, Organizational Leadership, Team Leadership, Initiative and Leadership, Business Leadership, Professional Development, Influencing, Team Motivation, People Management, Personal Development, Self-Awareness
Beginner · Course · 1 - 4 Weeks
University of Illinois Urbana-Champaign
Skills you'll gain: Virtual Teams, Cultural Sensitivity, Intercultural Competence, Cultural Diversity, Team Management, Teamwork, Negotiation, Communication Strategies, Leadership and Management, Diversity Awareness, Conflict Management, Business Leadership, Leadership, Communication, Non-Verbal Communication
Build toward a degree
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Data Preprocessing, Recurrent Neural Networks (RNNs), Data Manipulation, Data Transformation, Financial Forecasting, Model Evaluation, Data Visualization, Time Series Analysis and Forecasting, Exploratory Data Analysis, Keras (Neural Network Library), Deep Learning, Pandas (Python Package), NumPy
Mixed · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Diversity and Inclusion, Innovation, Organizational Leadership, Industrial and Organizational Psychology, Business Leadership, Organizational Change, Creativity, Cultural Diversity, Human Capital, Leadership, Drive Engagement, Team Performance Management, Change Management, Business, Business Strategy, Decision Making, Neurology
Build toward a degree
Beginner · Course · 1 - 3 Months