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.

University of Colorado Boulder
Skills you'll gain: Crisis Management, Threat Management, Threat Detection, Infrastructure Security, Resilience, Disaster Recovery, Emergency Response, Business Ethics, Risk Management, Organizational Change, Systems Thinking, Hazard Analysis, Safety and Security, Risk Analysis, Industrial and Organizational Psychology, Complex Problem Solving, Ethical Standards And Conduct, Decision Making, Leadership, Case Studies
Build toward a degree
Intermediate · 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
Skills you'll gain: Team Leadership, Team Building, Team Motivation, Leadership Development, Team Management, Team Performance Management, Initiative and Leadership, Leadership, Organizational Leadership, Leadership and Management, Professional Development, Teamwork, Personal Development, People Development, Business Leadership, Willingness To Learn, Self-Awareness, Empathy, Conflict Management, Communication
Beginner · Course · 1 - 4 Weeks

University at Buffalo
Skills you'll gain: Peer Review, Governance, Consulting, Leadership and Management, Report Writing, Leadership, Performance Analysis, Management Consulting, Organizational Change, Change Management, Organizational Effectiveness, Analysis, Data Collection
Mixed · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: Problem Solving, Logical Reasoning, Deductive Reasoning, Analytical Skills, Critical Thinking, Complex Problem Solving, Applied Mathematics, Arithmetic, Computational Logic, Strategic Thinking, Decision Making, Geometry
Beginner · Course · 1 - 3 Months

The Open University
Skills you'll gain: Sustainable Business, Sustainable Development, Innovation, Environmental Social And Corporate Governance (ESG), Stakeholder Engagement, Business Continuity, Business Ethics, Business Architecture, Systems Thinking, Complex Problem Solving
Intermediate · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: Apache Maven, Build Tools, Software Development Tools, Version Control, Continuous Integration, Software Configuration Management, Apache, Dependency Analysis
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Microsoft Azure, Cloud Security, Infrastructure Security, Kubernetes, Data Security, Virtual Machines, Remote Access Systems, Role-Based Access Control (RBAC), Data Storage Technologies, Identity and Access Management, Databases, Containerization, Key Management, Encryption
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Azure Active Directory, Authentications, Authorization (Computing), Microsoft Azure, Identity and Access Management, Active Directory, User Provisioning, Role-Based Access Control (RBAC), Single Sign-On (SSO), User Accounts, Cloud Security, Security Engineering, Multi-Factor Authentication
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Vulnerability Scanning, Network Security, Configuration Management, System Configuration, Vulnerability Assessments, Firewall, Linux Commands, Servers, TCP/IP, Network Analysis, Software Versioning
Intermediate · Course · 1 - 4 Weeks

University of Leeds
Skills you'll gain: Integrated Development Environments, Debugging, Microsoft Visual Studio, Unit Testing, Software Development Tools, Computer Programming Tools, Development Environment, Version Control
Beginner · Course · 1 - 4 Weeks
Skills you'll gain: ServiceNow, Information Technology Infrastructure Library, IT Service Management, Problem Management, Service Management, Information Technology Operations, Digital Transformation, Change Control, Configuration Management, Self Service Technologies, IT Management, Automation, Problem Solving, Design, Order Fulfillment
Beginner · Course · 1 - 4 Weeks