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.

Imperial College London
Skills you'll gain: Augmented and Virtual Reality (AR/VR), Education Software and Technology, Augmented Reality, Medical Devices, Clinical Research, Display Devices, Virtual Reality, Health Technology, Clinical Practices, Virtual Environment, Health Education, Collaborative Software, Emerging Technologies, Business Systems Analysis, Innovation, User Centered Design, Technology Strategies, Project Planning, Critical Thinking
Beginner · Course · 1 - 4 Weeks

University of Michigan
Skills you'll gain: Intercultural Competence, Human Capital, Cultural Diversity, Human Resources Management and Planning, Human Resource Strategy, Cultural Sensitivity, Case Studies, Workforce Management, Leadership
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Routing Protocols, Command-Line Interface, Open Shortest Path First (OSPF), Network Monitoring, Virtual Local Area Network (VLAN), Border Gateway Protocol, Network Performance Management, Network Routing, Wireless Networks, Network Administration, Network Infrastructure, Local Area Networks, Event Monitoring, Network Switches, Network Troubleshooting, Network Protocols, Network Routers, TCP/IP, Network Architecture, Network Security
Intermediate · Course · 3 - 6 Months

University of Alberta
Skills you'll gain: Conflict Management, Team Leadership, Organizational Leadership, Diversity and Inclusion, Workplace inclusivity, Leadership and Management, People Management, Rapport Building, Leadership, Occupational Safety And Health, Leadership Development, Interpersonal Communications, Communication, Collaboration, Strategic Leadership, Stress Management, Empathy, Employee Engagement, Mental Health, Active Listening
Beginner · Course · 1 - 3 Months
Skills you'll gain: Team Motivation, Motivational Skills, Accountability, Organizational Leadership, Drive Engagement, Team Leadership, Dealing With Ambiguity, Leadership, Leadership and Management, Leadership Development, Strategic Leadership, Team Management, Business Leadership, Organizational Effectiveness, Organizational Strategy, Strategic Decision-Making, Team Building, Stress Management, Professional Development, Innovation
Intermediate · Course · 1 - 4 Weeks

Illinois Tech
Skills you'll gain: Unified Modeling Language, Debugging, Object Oriented Programming (OOP), Python Programming, Computer Programming, System Programming, Pseudocode, Program Development, Scripting Languages, Software Design, Data Structures, UI Components, File Management
Build toward a degree
Beginner · Course · 1 - 3 Months

Fred Hutchinson Cancer Center
Skills you'll gain: AI Product Strategy, Artificial Intelligence, Project Scoping, Decision Making, Usability Testing, Needs Assessment, Project Planning, Data Quality, Performance Metric, Resource Planning, Data Security
Intermediate · Course · 1 - 4 Weeks

EDUCBA
Skills you'll gain: Extensible Markup Language (XML), Extensible Languages and XML, Information Architecture, Document Management, Interoperability, Hypertext Markup Language (HTML), Data Integrity, Technical Documentation, Data Structures, Data Validation
Beginner · Course · 1 - 4 Weeks

Whizlabs
Skills you'll gain: AWS Identity and Access Management (IAM), Identity and Access Management, Amazon Web Services, Amazon S3, Authorization (Computing), Role-Based Access Control (RBAC), Authentications, Single Sign-On (SSO), User Accounts, Data Security, Multi-Factor Authentication, Encryption
Intermediate · Course · 1 - 4 Weeks

LearnKartS
Skills you'll gain: Incident Response, Vulnerability Management, Computer Security Incident Management, Cyber Operations, Hardening, Cybersecurity, Security Controls, Vulnerability Assessments, Threat Detection, Identity and Access Management, Intrusion Detection and Prevention, IT Security Architecture, Information Systems Security, Vulnerability Scanning, Threat Management, Application Security, Mobile Security, Network Security, Authorization (Computing), Continuous Monitoring
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Quality Management, Continuous Improvement Process, Kaizen Methodology, Supplier Quality Management, ISO 9000 Series, Quality Assurance, Quality Control, Lean Manufacturing, Corrective and Preventive Action (CAPA), Customer experience improvement, Employee Engagement, Supplier Relationship Management, Statistical Process Controls, Empowerment
Mixed · Course · 1 - 4 Weeks
Dartmouth College
Skills you'll gain: Liberal Arts, Systems Thinking, Psychology, Research, Science and Research
Mixed · Course · 1 - 4 Weeks