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.

Illinois Tech
Skills you'll gain: Industrial and Organizational Psychology, Job Analysis, Talent Management, Leadership and Management, Team Building, Leadership, Human Resources, Diversity and Inclusion, Occupational Safety And Health, Organizational Development, Workforce Development, Employee Engagement, Stress First Aid, Performance Management, Scientific Methods, Employee Training, Psychological Evaluations, Research Methodologies, Cultural Diversity, Data Collection
Beginner · Course · 1 - 3 Months

Skills you'll gain: Regression Analysis, Exploratory Data Analysis, Model Evaluation, Scikit Learn (Machine Learning Library), Supervised Learning, Applied Machine Learning, Machine Learning, Data Preprocessing, Deep Learning, Statistical Analysis, Data Analysis, Artificial Neural Networks, Data Import/Export, Pandas (Python Package), Matplotlib, Python Programming
Beginner · Guided Project · Less Than 2 Hours

Nanjing University
Skills you'll gain: World History, Ancient History, Immigration Law, Demography, Socioeconomics, International Relations, Cultural Diversity
Mixed · Course · 1 - 3 Months

Skills you'll gain: Photo Editing, Photography, Adobe Photoshop, Storytelling, Photo/Video Production and Technology, Landscape Architecture, Geographic Information Systems, Image Quality, Global Positioning Systems, Planning, Research, Adobe Creative Cloud, Timelines, Creative Thinking, Creativity, Design Elements And Principles, Color Theory, Critical Thinking, Editing
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: GitHub, Git (Version Control System), Version Control, Unix Commands, Unix Shell, Software Versioning, Linux Commands, Command-Line Interface, Devops Tools, Collaborative Software, Code Review, Software Configuration Management, Software Development Tools, Secure Coding, File Management, Technical Documentation, Software Documentation
Intermediate · Specialization · 3 - 6 Months

The University of Notre Dame
Skills you'll gain: Negotiation, Leadership Development, Change Management, Leadership, Strategic Leadership, Organizational Leadership, Business Ethics, Business Leadership, Critical Thinking and Problem Solving, Leadership and Management, Emotional Intelligence, Ethical Standards And Conduct, Industrial and Organizational Psychology, Self-Awareness
Beginner · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Persuasive Communication, Leadership, Influencing, Strategic Leadership, Organizational Leadership, Leadership Development, Business Leadership, Leadership and Management, Team Leadership, Communication, Agile Project Management, Decision Making
Beginner · Course · 1 - 4 Weeks

University of Geneva
Skills you'll gain: Data Synthesis, Analytical Skills, International Relations, Economic Development, Statistics, Economics, Market Opportunities, Data Analysis, Labor Compliance, Social Studies, Data Quality, Transportation Operations
Intermediate · Course · 1 - 3 Months

Queen Mary University of London
Skills you'll gain: Delegation Skills, Leadership Development, Leadership, Executive Presence, Initiative and Leadership, Time Management, Leadership and Management, Influencing, Conflict Management, Emotional Intelligence, Self-Awareness, Constructive Feedback, Communication, Adaptability
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Performance Review, Employee Surveys, Employee Performance Management, Meeting Facilitation, Rapport Building, Constructive Feedback, Team Building, Team Performance Management, Goal Setting, Collaboration, Team Management, Teamwork, Leadership and Management, Strategic Leadership, Leadership Development
Beginner · Guided Project · Less Than 2 Hours

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

Microsoft
Skills you'll gain: Cloud Deployment, Microsoft Azure, Cloud Management, Cloud Computing, Windows PowerShell, Infrastructure As A Service (IaaS), Software As A Service, Virtual Machines, Platform As A Service (PaaS), Resource Management, Command-Line Interface, Scripting, Verification And Validation
Intermediate · Course · 1 - 3 Months