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.

Board Infinity
Skills you'll gain: Professional Development, Human Resources, Human Resource Strategy, People Development, Organizational Change, Leadership Development, Human Capital, Organizational Development, Professional Networking, Workforce Development, Lifelong Learning, Innovation, Case Studies, Change Management, Time Management, Learning Strategies, Emerging Technologies, Branding
Intermediate · Course · 1 - 4 Weeks

O.P. Jindal Global University
Skills you'll gain: Research, Psychology, Mental Health Diseases and Disorders, Scientific Methods, Human Learning, Human Development, Learning Theory, Culture, Biology, Ethical Standards And Conduct, Case Studies, Statistical Analysis
Build toward a degree
Beginner · Course · 1 - 3 Months

Whizlabs
Skills you'll gain: Load Balancing, Virtual Networking, Network Monitoring, Microsoft Azure, Cloud Engineering, Network Administration, Network Performance Management, Network Troubleshooting, Network Security, Virtual Machines, Scalability
Intermediate · Course · 1 - 4 Weeks

Peking University
Skills you'll gain: Data Structures, Algorithms, Database Systems, Performance Tuning, File Systems, Information Management, Theoretical Computer Science, Computer Programming
Mixed · Course · 1 - 3 Months

Universidad Nacional Autónoma de México
Skills you'll gain: Artificial Intelligence, Social Sciences, Psychology, Human Learning, Human Development, Sociology, Theoretical Computer Science, Human Factors, Human Machine Interfaces, Research, Cognitive Behavioral Therapy, Scientific Methods, Science and Research, Robotics
Beginner · 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

University of Alberta
Skills you'll gain: Conflict Management, Diversity Equity and Inclusion Initiatives, Team Leadership, Workplace inclusivity, Stress Management, Organizational Leadership, Diversity and Inclusion, Mental Health, People Management, Rapport Building, Leadership, Leadership and Management, Occupational Safety And Health, Personal Development, Employee Performance Management, Emotional Intelligence, Employee Engagement, Empathy, Resilience, Communication
Beginner · Specialization · 3 - 6 Months

Tecnológico de Monterrey
Skills you'll gain: Succession Planning, Governance, Leadership and Management, Leadership, Business Leadership, Strategic Leadership, Leadership Development, Talent Management, Organizational Structure, Business Continuity, Entrepreneurship, Conflict Management, Business Economics, Decision Making
Advanced · Course · 1 - 3 Months

University of Amsterdam
Skills you'll gain: Innovation, Systems Thinking, Storytelling, Social Impact, Critical Thinking, Policy Analysis, Social Sciences, Cultural Diversity, Economics
Intermediate · Course · 1 - 3 Months
Dartmouth College
Skills you'll gain: Liberal Arts, Systems Thinking, Psychology, Research, Science and Research
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Prompt Engineering, Git (Version Control System), GitHub, Version Control, CI/CD, Azure DevOps, Infrastructure as Code (IaC), Microsoft Copilot, Bitbucket, Continuous Integration, Microsoft Azure, DevOps, Docker (Software), GitLab, Software Development Tools, Application Deployment, ChatGPT, Software Installation, Continuous Deployment, Amazon Web Services
Intermediate · Specialization · 3 - 6 Months

Packt
Skills you'll gain: Threat Management, Vulnerability Assessments, Incident Response, Computer Security Incident Management, Public Key Infrastructure, IT Security Architecture, Disaster Recovery, Vulnerability Management, Regulation and Legal Compliance, Threat Detection, Cyber Security Assessment, Risk Management, Compliance Management, Regulatory Compliance, Network Security, Infrastructure Security, Cloud Security, Hardening, Security Engineering, Software-Defined Networking
Beginner · Specialization · 1 - 4 Weeks