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 System
Skills you'll gain: Infrastructure Security, Public Safety and National Security, Cybersecurity, Cyber Attacks, Cyber Security Policies, Security Strategy, Threat Modeling, Policty Analysis, Research, and Development, World History, Risk Management Framework
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Metasploit, Penetration Testing, Vulnerability Scanning, Exploitation techniques, Vulnerability Assessments, Cybersecurity, Data Ethics, Virtual Machines, Linux, Technical Documentation
Beginner · Guided Project · Less Than 2 Hours

University of Colorado Boulder
Skills you'll gain: Systems Thinking, Cross-Functional Collaboration, Project Planning, Business Systems Analysis, Strategic Leadership, Team Leadership, Business Leadership, Community Development, Stakeholder Analysis, Cultural Responsiveness, Project Management, Organizational Strategy, Relationship Building, Root Cause Analysis, Communication Strategies
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Supply Chain, Logistics, Supply Chain Management, Logistics Management, Supply Chain Planning, Performance Measurement, Transportation Management, Operational Efficiency, Operations Management, Business Operations, Transportation Operations, Supply Chain Systems, E-Commerce, Systems Thinking, Business Planning, Market Analysis, Process Design, Supplier Management, Business, Business Administration
Beginner · Specialization · 1 - 3 Months

Universidad Nacional Autónoma de México
Skills you'll gain: Post-Production, Music Theory, Musical Composition, Music, Open Source Technology, Media Production, Music History, Aesthetics, Collaborative Software, Data Sharing, Creativity, Software Installation, Digital Publishing, Editing, Content Creation, Computer Programming Tools, File Management
Beginner · Specialization · 1 - 3 Months

University of Michigan
Skills you'll gain: Epidemiology, Pharmacology, Advocacy
Beginner · Course · 1 - 3 Months

Coursera
Skills you'll gain: Systems Thinking, Creative Thinking, Innovation, Systems Analysis, Complex Problem Solving, Analysis, Business Systems Analysis, Strategic Thinking, Critical Thinking, Organizational Change, Collaboration, Data Visualization
Beginner · Course · 1 - 4 Weeks

National Taiwan University
Skills you'll gain: Child Development, Research Methodologies, Research Design, Human Development, Learning Theory, Human Learning, Data Collection, Psychology, Ethical Standards And Conduct, Anthropology
Beginner · Course · 1 - 4 Weeks

Microsoft
Skills you'll gain: Web Scraping, Git (Version Control System), Scripting, Version Control, Email Automation, Software Testing, Automation, Restful API, Application Programming Interface (API), Python Programming, Data Cleansing, Performance Tuning, Productivity, File Management
Beginner · Course · 1 - 3 Months

Skills you'll gain: Integral Calculus, Calculus, Advanced Mathematics, Applied Mathematics, Engineering Calculations, Linear Algebra, Mathematical Theory & Analysis, Derivatives, Physics, Geometry
Mixed · Course · 1 - 3 Months

Skills you'll gain: UI/UX Research, User Interface and User Experience (UI/UX) Design, User Experience, User Centered Design, Usability, User Flows, User Interface (UI) Design, Responsive Web Design, Interaction Design, Typography, Prototyping, Persona Development, Color Theory
Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: SQL, Stored Procedure, Query Languages, MySQL, Database Management, Transaction Processing, Data Manipulation, Relational Databases
Beginner · Guided Project · Less Than 2 Hours