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.

Duke University
Skills you'll gain: Loans, Lending and Underwriting, FinTech, Payment Systems, Key Management, Cryptography, Digital Assets, Market Liquidity, Financial Trading, Transaction Processing, Public Key Infrastructure, Encryption, Asset Protection, Governance
Intermediate · Course · 1 - 4 Weeks
Johns Hopkins University
Skills you'll gain: Systems Thinking, Health Systems, Health Policy, Public Health, Policy Analysis, Policy Development, Simulations, Systems Analysis
Mixed · Course · 1 - 4 Weeks

University of Geneva
Skills you'll gain: Biochemistry, Molecular Biology, Cell Biology, Chemistry, Biotechnology, Laboratory Research, Laboratory Techniques, Scientific Visualization, Biology, Specimen Labeling
Intermediate · Course · 1 - 3 Months

University of Pennsylvania
Skills you'll gain: FinTech, Portfolio Management, Consumer Lending, Return On Investment, Lending and Underwriting, Financial Services, Risk Analysis, Investments, Fundraising and Crowdsourcing, Financial Market, Asset Management, Case Studies, Wealth Management
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Time Management, Conflict Management, Stress Management, Prioritization, Critical Thinking, Problem Solving, Self-Awareness, Emotional Intelligence, Communication, Complex Problem Solving, Creative Problem-Solving, Personal Development, Business Ethics, Empathy, Strategic Thinking, Goal Setting, Compliance Management, Overcoming Obstacles, Mental Health, Dealing With Ambiguity
Beginner · Specialization · 3 - 6 Months

University of Colorado System
Skills you'll gain: Windows Servers, Computer Security, Linux Administration, Contingency Planning, Disaster Recovery, Authorization (Computing), Linux, Linux Servers, Microsoft Windows, Authentications, Business Continuity Planning, OSI Models, User Accounts, Group Policy, Security Management, Microsoft Servers, Operating System Administration, Systems Administration, Virtualization, Cybersecurity
Beginner · Specialization · 3 - 6 Months

Duke University
Skills you'll gain: Child Development, Advocacy, Research, Research Methodologies, Social Sciences, Data Collection, Social Network Analysis, Anthropology, Human Development, Nutrition and Diet, Environmental Issue, Biology
Beginner · Course · 1 - 3 Months

Erasmus University Rotterdam
Skills you'll gain: Qualitative Research, Research Design, Report Writing, Research, Research Methodologies, Social Sciences, Data Analysis Software, Case Studies
Beginner · Course · 1 - 3 Months

Politecnico di Milano
Skills you'll gain: Blended Learning, Pedagogy, Large Language Modeling, Digital pedagogy, LLM Application, Instructional Design, Learning Strategies, Education Software and Technology, Interactive Learning, Educational Materials, AI Personalization, Innovation, Differentiated Instruction, Lifelong Learning, AI Enablement, Human Learning, Solution Design, Adult Learning Principles, Prompt Engineering Tools, Artificial Intelligence
Beginner · Specialization · 3 - 6 Months

University of California San Diego
Skills you'll gain: Bioinformatics, Statistical Analysis, Molecular Biology, Graph Theory
Intermediate · Course · 1 - 3 Months

Yale University
Skills you'll gain: Land Management, Environmental Science, Sustainable Development, Environment, Natural Resource Management, Environmental Engineering and Restoration, Environment and Resource Management, Climate Change Mitigation, Socioeconomics, Finance
Beginner · Course · 1 - 3 Months

University of Michigan
Skills you'll gain: Interviewing Skills, Leadership, Business Leadership, Leadership Development, Organizational Leadership, Leadership and Management, Professional Development, Team Building, Recruitment, Team Management, Talent Management, Coaching, Communication
Intermediate · Course · 1 - 4 Weeks