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 Maryland, College Park
Skills you'll gain: Project Management, Compliance Management, Strategic Decision-Making, Expectation Management, Milestones (Project Management), Project Schedules, Resource Management, Governance Risk Management and Compliance, Relationship Management, Program Management, Project Planning, Project Implementation, Project Documentation, Product Management, Risk Management, Engineering Documentation, Technical Documentation
Beginner · Specialization · 3 - 6 Months

California Institute of the Arts
Skills you'll gain: Peer Review, Videography, Video Production, Photo/Video Production and Technology, Post-Production, Editing, Design Elements And Principles, Storytelling, Color Theory, Creativity
Beginner · Course · 1 - 3 Months

Skills you'll gain: Application Programming Interface (API), Cloud API, API Design, Continuous Deployment, CI/CD, Restful API, Application Deployment, Google Cloud Platform, Continuous Integration, Middleware, Application Performance Management, JSON, Software Versioning, Proxy Servers, Scalability, Extensible Markup Language (XML)
Beginner · Course · 1 - 3 Months

Skillshare
Skills you'll gain: Video Editing, Animations, Timelines, Post-Production, Storytelling, Motion Graphics, Color Theory, Video Production, System Configuration, Editing, Photo/Video Production and Technology, Data Import/Export, Configuration Management, Image Quality, Web Content Accessibility Guidelines, Music, Color Matching, File Management, Typography
Beginner · Specialization · 3 - 6 Months

Tecnológico de Monterrey
Skills you'll gain: Organizational Leadership, Stress Management, Leadership, Influencing, Motivational Skills, Leadership Development, Industrial and Organizational Psychology, Leadership and Management, Employee Performance Management, Business Leadership, Strategic Leadership, Business Ethics, Employee Engagement, Persuasive Communication, Emotional Intelligence, Professional Networking, Empowerment, Goal Setting
Intermediate · Course · 1 - 4 Weeks

University of Amsterdam
Skills you'll gain: Sociology, Systems Thinking, Economics, Policy, and Social Studies, Cultural Diversity, Policy Analysis, Sustainable Systems, Environmental Science, Spatial Analysis, Case Studies, Qualitative Research, Environment and Resource Management, European History
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Tensorflow, Supervised Learning, Artificial Neural Networks, Regression Analysis, Applied Machine Learning, Machine Learning Algorithms, Deep Learning, IBM Cloud, Machine Learning, Predictive Modeling, Decision Tree Learning, Natural Language Processing, Scikit Learn (Machine Learning Library), Computer Vision, Data Science, Python Programming
Advanced · Course · 1 - 4 Weeks

Universidad de Palermo
Skills you'll gain: Innovation, Emotional Intelligence, Digital Transformation, Diversity and Inclusion, Business Leadership, Diversity Awareness, Leadership, Team Leadership, Professional Development, Leadership and Management, Workplace inclusivity, Constructive Feedback, Creativity, Drive Engagement, Ethical Standards And Conduct, Collaboration, Organizational Change, Communication, Adaptability, Telecommuting
Beginner · Course · 1 - 4 Weeks

University of Colorado System
Skills you'll gain: Sustainability Reporting, Sustainable Business, Corporate Sustainability, Organizational Change, Sustainable Development, Sustainable Design, Proposal Development, Stakeholder Analysis, Environmental Social And Corporate Governance (ESG), Supply Chain Management, Sustainability Standards, Leadership and Management, Performance Improvement, Change Management, Stakeholder Engagement, Key Performance Indicators (KPIs), Financial Analysis, Energy and Utilities, Systems Thinking, Proposal Writing
Intermediate · Specialization · 3 - 6 Months

Microsoft
Skills you'll gain: Microsoft Azure, NoSQL, Database Administration, Data Store, Database Systems, Cloud Storage, Database Theory, Data Storage, Cloud Services, Data Storage Technologies, Data Security, Data Management, Query Languages, Application Programming Interface (API)
Beginner · Course · 1 - 4 Weeks

University of California, Irvine
Skills you'll gain: Presentations, English Language, Verbal Communication Skills, Communication, Non-Verbal Communication, Entrepreneurship, Microsoft PowerPoint, Business Communication, Sales, Interpersonal Communications, Project Management, Business Leadership, Crisis Management, Organizational Structure, Marketing, Leadership and Management, Business, Vocabulary, Telecommuting, Human Resources
Intermediate · Specialization · 1 - 3 Months

Northwestern University
Skills you'll gain: Music Theory, Music, Instrumental Music, Music Performance, Classical Music, Lecturing, Coordination
Mixed · Course · 1 - 3 Months