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: Database Design, Relational Databases, Database Application, Database Management, Database Systems, Big Data, Machine Learning Algorithms, Databases, NoSQL, SQL, MySQL, Statistical Analysis, Data Visualization, Database Theory, Data Analysis, Apache Hadoop, Exploratory Data Analysis, Transaction Processing, Apache Kafka, Stored Procedure
Build toward a degree
Intermediate · Specialization · 3 - 6 Months

University of Michigan
Skills you'll gain: Generative AI, Automation, Human Resources, Workforce Management, Artificial Intelligence, Workforce Planning, Socioeconomics, Data Ethics, Leadership and Management, Change Management
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Graph Theory, Data Structures, Algorithms, Program Development, Programming Principles, Computational Thinking, Theoretical Computer Science, Computer Science, Python Programming
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Music Theory, Instrumental Music, Music, Music Performance
Intermediate · Course · 1 - 3 Months

University of Minnesota
Skills you'll gain: Test Automation, Regression Testing, Software Testing, Unit Testing, Test Tools, System Testing, Code Coverage, Security Testing, Verification And Validation, Test Case, Test Data, Debugging, Automation, Functional Requirement, Application Security
Intermediate · Course · 1 - 4 Weeks

Institute for the Future
Skills you'll gain: Visionary, Strategic Planning, Action Oriented, Planning, Community Organizing, Strategic Thinking, Optimism, Creative Thinking, Systems Thinking, Innovation, Persuasive Communication, Creativity, Goal Setting, Leadership, Storytelling, Cultural Responsiveness, Discussion Facilitation
Beginner · Course · 1 - 3 Months

L&T EduTech
Skills you'll gain: Hydraulics, Engineering Analysis, Engineering Calculations, Mechanical Engineering, Chemical Engineering, Process Flow Diagrams, Process Analysis, Mathematical Modeling
Intermediate · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Health Promotion, Behavioral Health, Mental and Behavioral Health, Health Education, Cultural Sensitivity, Public Health, Health Policy, Community Health, Social Sciences, Program Evaluation, Learning Theory
Beginner · Course · 1 - 3 Months

Dartmouth College
Skills you'll gain: Computational Logic, Scientific Methods, Theoretical Computer Science, Logical Reasoning, General Science and Research, Physics, Experimentation, Physical Science, Artificial Intelligence, Computational Thinking, Simulations, Computer Science, Psychology, Ancient History, Vibrations, Mechanics, Chemistry, Laboratory Equipment, Research, World History
Beginner · Specialization · 1 - 3 Months

University of California, Davis
Skills you'll gain: Simulations, Social Sciences, Systems Thinking, Agentic systems, Social Network Analysis, Computational Thinking, Sociology, Economics, Scientific Methods, Artificial Intelligence and Machine Learning (AI/ML), Computer Programming
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Audit Planning, Service Level Agreement, Data Governance, Systems Development Life Cycle, Data Loss Prevention, Security Testing, Network Security, Software Development Life Cycle, IT Management, Systems Development, Incident Management, Problem Management, Database Management Systems, Control Objectives for Information and Related Technology (COBIT), Cryptography, Cloud Management, Software Development Methodologies, Auditing, Risk Management Framework, Internal Controls
Intermediate · Specialization · 3 - 6 Months

University of Michigan
Skills you'll gain: Manufacturing Operations, Production Planning, Digital Transformation, Technology Strategies, Business Modeling, Technology Roadmaps, Business Transformation, Product Lifecycle Management, Internet Of Things, Simulation and Simulation Software, Emerging Technologies, Real Time Data, Trend Analysis, Risk Analysis, Business, Systems Integration, Case Studies
Beginner · Course · 1 - 4 Weeks