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.

Northeastern University
Skills you'll gain: Database Design, Data Modeling, Database Management Systems, Metadata Management, Databases, Data Management, Relational Databases, Unified Modeling Language, Data Governance, Data Integrity, Data Quality, Object-Relational Mapping
Build toward a degree
Mixed · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Data Visualization, Network Analysis, Relational Databases, Data Visualization Software, Social Network Analysis, Data Storytelling, Database Theory, Data Analysis, Data Manipulation, Human Factors, Innovation
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Git (Version Control System), GitHub, Version Control, Open Source Technology, Unix Shell, Collaborative Software, Software Installation, Unix Commands, Microsoft Visual Studio, Linux Commands, Continuous Integration, Linux, Web Development Tools, File Management, Shell Script, Command-Line Interface, Code Review, Application Deployment, React.js, Hypertext Markup Language (HTML)
Beginner · Specialization · 3 - 6 Months

AI CERTs
Skills you'll gain: Blockchain, Business Leadership, Strategic Leadership, FinTech, Leadership, Supply Chain Management, Emerging Technologies, Leadership and Management, Business, Legal Risk, Business Planning, Regulatory Compliance, Health Technology, Digital Assets, Distributed Computing, Cloud Computing, Cryptography, Cloud Computing Architecture, Artificial Intelligence, Computer Engineering
Intermediate · Course · 3 - 6 Months

Universidad Nacional Autónoma de México
Skills you'll gain: Color Theory, Design, Materials science, Photography, Physical Science, Physics, Chemistry, Scientific Visualization, Image Analysis, Curiosity
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: General Networking, TCP/IP, Network Security, Penetration Testing, Wireless Networks, Exploitation techniques, Linux, Vulnerability Scanning, Linux Commands, Encryption, Network Analysis, Command-Line Interface, Virtual Machines
Intermediate · Course · 1 - 3 Months

University of the Arts London
Skills you'll gain: Sustainable Development, Corporate Sustainability, Creative Thinking, Sustainability Standards, Systems Thinking, Design, Ideation, Problem Solving, Prototyping, Collaboration
Beginner · Course · 1 - 4 Weeks

Banco Interamericano de Desarrollo
Skills you'll gain: Communication, Public Speaking, Resilience, Personal Development, Professional Development, Emotional Intelligence, Mentorship, Branding, Self-Awareness, Leadership, Empathy, Leadership and Management, Social Media, Decision Making
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Matplotlib, Applied Machine Learning, Random Forest Algorithm, Predictive Modeling, Predictive Analytics, Machine Learning Algorithms, Data Visualization, Machine Learning, Programming Principles, Data Manipulation, Feature Engineering, Data Cleansing, Supervised Learning, Python Programming, Data Science, Data Processing, NumPy, Pandas (Python Package)
Beginner · Course · 1 - 3 Months

Universidad de Palermo
Skills you'll gain: Hospitality Management, Human Capital, Team Motivation, Hospitality, Human Resources Management and Planning, Workforce Development, Leadership Studies, Workforce Planning, Employee Training, Team Building, Talent Management, Organizational Strategy, Organizational Change
Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Crisis Management, Systems Thinking, Leadership, Strategic Communication, Resilience, Business Continuity, Communication, Risk Analysis, Systems Engineering, Complex Problem Solving, Decision Making, Organizational Strategy, Vulnerability Assessments, Systems Analysis
Build toward a degree
Intermediate · Course · 1 - 3 Months

University of Lausanne
Skills you'll gain: Systems Thinking, Health Systems, Health Policy, Public Health, Systems Analysis, Predictive Modeling, Social Determinants Of Health
Intermediate · Course · 1 - 3 Months