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.

Universidad Nacional Autónoma de México
Skills you'll gain: Business Planning, ISO 9000 Series, Quality Management Systems, Strategic Marketing, Marketing, Organizational Strategy, Governance, Financial Analysis, Marketing Planning, Corporate Strategy, Financial Statements, Operations Management, Working Capital, Organizational Structure, Financial Data, Business Strategies, Market Analysis, Quality Management, Financial Controls, Market Research
Beginner · Specialization · 3 - 6 Months
University of Michigan
Skills you'll gain: Mathematical Modeling, Systems Thinking, Strategic Decision-Making, Innovation, Social Sciences, Strategic Thinking, Decision Making, Complex Problem Solving, Critical Thinking, Network Analysis, Economics, Probability, Market Dynamics
Intermediate · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Algorithms, Data Structures, Graph Theory, Operations Research, Theoretical Computer Science, Public Key Cryptography Standards (PKCS), Computer Programming, Computational Thinking, Cryptography, Programming Principles, Computer Science, Applied Mathematics, Tree Maps, Encryption, Python Programming, Combinatorics, Data Science, Advanced Mathematics, Mathematical Modeling, Design Strategies
Build toward a degree
Advanced · Specialization · 3 - 6 Months

The University of Sydney
Skills you'll gain: Mental Health, Stress Management, Mindfulness, Psychiatry, Positivity, Optimism, Resilience, Behavioral Health, Mental Health Therapies, Psychotherapy, Personal Development, Mental and Behavioral Health, Creativity, Cognitive Behavioral Therapy, Substance Abuse, Empowerment, Relationship Building, Exercise Therapy
Mixed · Course · 1 - 3 Months

University of California, Davis
Skills you'll gain: Dashboard, Data Storytelling, Tableau Software, Data Presentation, Data Visualization, Visual Design, Advanced Analytics, Stakeholder Analysis, Interactive Data Visualization, Data Visualization Software, Design, Data Literacy, Exploratory Data Analysis, Proposal Development, Data Ethics, Data Analysis, Visualization (Computer Graphics), Pivot Tables And Charts, Data Mapping, Storyboarding
Beginner · Specialization · 3 - 6 Months

Berklee
Skills you'll gain: Music Theory, Music, Musical Composition, Education Software and Technology, Peer Review, Instrumental Music, Teaching, Music Performance, Oral Expression, World Music, Storytelling, Classroom Management, Media Production, Cultural Responsiveness, Writing, Creativity, Empowerment, Collaboration, Technology Solutions
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Regression Analysis, Matplotlib, Feature Engineering, Time Series Analysis and Forecasting, Jupyter, Image Analysis, Scikit Learn (Machine Learning Library), Applied Machine Learning, Tensorflow, Data Visualization, Machine Learning Algorithms, Amazon Web Services, Python Programming, Cloud Applications, Data Transformation, Predictive Modeling, Data Processing, Health Informatics, Machine Learning, Artificial Intelligence and Machine Learning (AI/ML)
Beginner · Specialization · 1 - 3 Months

University of Washington
Skills you'll gain: Software Installation, Programming Principles, Other Programming Languages, Functional Design, Computer Programming, Ruby (Programming Language), Theoretical Computer Science, Object Oriented Programming (OOP), Computational Thinking
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Customer Relationship Management (CRM) Software, Customer Relationship Management, Customer experience strategy (CX), Customer Success Management, Customer Acquisition Management, Customer Analysis, Customer Data Management, Brand Loyalty, Customer Retention, Customer Relationship Building, Customer Engagement, Organizational Strategy, Marketing Automation, Case Studies, Value Propositions, Market Analysis, Portfolio Management, Analysis, Business Strategy, Competitive Analysis
Beginner · Specialization · 1 - 3 Months

EDHEC Business School
Skills you'll gain: Investment Management, Portfolio Management, Text Mining, Applied Machine Learning, Asset Management, Network Analysis, Data Visualization Software, Financial Data, Market Data, Unstructured Data, Web Scraping, Machine Learning, Social Network Analysis, Advanced Analytics, Financial Market, Financial Analysis, Financial Modeling, Return On Investment, Risk Analysis, Risk Management
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Web Analytics, Supplier Management, E-Commerce, WordPress, No-Code Development, Search Engine Optimization, Blogs, Web Design, Content Management Systems, Shipping and Receiving
Beginner · Course · 1 - 3 Months

Princeton University
Skills you'll gain: Combinatorics, Algorithms, Theoretical Computer Science, Mathematical Theory & Analysis, Graph Theory, Data Structures, Advanced Mathematics, Mathematical Modeling, Probability
Advanced · Course · 1 - 3 Months