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.

Illinois Tech
Skills you'll gain: Industrial and Organizational Psychology, Job Analysis, Talent Management, Leadership and Management, Team Leadership, Team Building, Leadership, Performance Analysis, Organizational Leadership, Human Resources, Occupational Safety And Health, Diversity and Inclusion, Team Motivation, Employee Performance Management, Workforce Development, Performance Management, Research, Employee Engagement, Scientific Methods, Employee Training
Beginner · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Creativity, Creative Thinking, Organizational Leadership, Leadership, Innovation, Team Leadership, Business Leadership, Leadership and Management, Collaboration, Cultural Diversity
Beginner · Course · 1 - 4 Weeks

Macquarie University
Skills you'll gain: Intercultural Competence, Cultural Diversity, Cultural Sensitivity, Business Ethics, Cognitive flexibility, Diversity Awareness, Diversity and Inclusion, Workplace inclusivity, Cross-Functional Team Leadership, Professionalism, Organizational Leadership, Global Marketing, Business Leadership, Collaboration, Culture, International Relations, Systems Thinking, Economics
Mixed · Course · 1 - 3 Months
University of Illinois Urbana-Champaign
Skills you'll gain: Inventory Accounting, Balance Sheet, Cash Management, Accounts Receivable, Financial Reporting, Depreciation, Financial Accounting, International Financial Reporting Standards, Generally Accepted Accounting Principles (GAAP), Accounting, Fixed Asset, Financial Statement Analysis, Ledgers (Accounting), Inventory Control, Asset Management, Investments, Internal Controls
Build toward a degree
Intermediate · Course · 1 - 3 Months

Fundação Instituto de Administração
Skills you'll gain: Big Data, Internet Of Things, Social Network Analysis, Text Mining, Apache Hadoop, Business Intelligence, Data Analysis Software, Unstructured Data, Analytics, Real Time Data, Cloud Computing, Data Science, Marketing Analytics, Fraud detection
Beginner · Course · 1 - 4 Weeks

LearnKartS
Skills you'll gain: Git (Version Control System), GitHub, Version Control, Software Versioning, Software Configuration Management, Collaborative Software, Software Development, Software Installation, Devops Tools, File Management, Linux, Command-Line Interface
Beginner · Course · 1 - 4 Weeks

Pontificia Universidad Católica de Chile
Skills you'll gain: Transportation Operations, Network Routing, Supply And Demand, Network Analysis, Operations Research, Network Model, Mathematical Modeling, Capacity Management, Behavioral Economics, Game Theory, Economics, Algorithms, Applied Mathematics
Beginner · Course · 1 - 3 Months

Skills you'll gain: Earned Value Management, ISO 9000 Series, Governance Risk Management and Compliance, Quality Management Systems, Quality Management, Continuous Improvement Process, Quality Improvement, Program Implementation, Process Improvement, Culture Transformation, Project Performance, Risk Management, Cost Management, Operational Risk, Performance Measurement, Project Controls, Process Analysis, Performance Management, Quality Control, Project Management
Beginner · Specialization · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Data Visualization Software, Interactive Data Visualization, Geospatial Information and Technology, Color Theory, Tree Maps, Data Storytelling, Heat Maps, Data Mapping, Text Mining, Unstructured Data, Network Analysis
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Azure Active Directory, Role-Based Access Control (RBAC), Microsoft Azure, Single Sign-On (SSO), Active Directory, Cloud Management, Identity and Access Management, Authorization (Computing), Authentications, Multi-Factor Authentication, User Provisioning, Data Governance, Cloud Services, User Accounts, Security Controls, Virtual Machines, Self Service Technologies, Scalability
Intermediate · Course · 1 - 4 Weeks

Dartmouth College
Skills you'll gain: Creativity, Communication, Innovation, Personal Development, Curiosity, Productivity, Time Management, Self-Awareness, Leadership Development, Leadership, Growth Mindedness, Resilience, People Development, Leadership and Management, Adaptability, Change Management, Growth Strategies
Beginner · Course · 1 - 4 Weeks

Curtis Institute of Music
Skills you'll gain: Classical Music, Music Theory, Music, Music History, Musical Composition
Beginner · Course · 1 - 3 Months