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 Maryland, College Park
Skills you'll gain: Search Engine Marketing, Search Engine Optimization, Web Analytics and SEO, Digital Marketing, Online Advertising, Return On Investment, Consumer Behaviour, Cross-Channel Marketing, Marketing, Marketing Channel, Social Media Marketing, MarTech, Marketing Strategies, Marketing Effectiveness, Strategic Marketing, Marketing Psychology, Network Model, Business Analysis
Beginner · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Persuasive Communication, Leadership, Influencing, Strategic Leadership, Organizational Leadership, Leadership Development, Business Leadership, Leadership and Management, Team Leadership, Communication, Agile Project Management, Decision Making
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Project Risk Management, Risk Management, Planning, Team Management, Project Implementation, Project Planning, Business Risk Management, Project Controls, Team Leadership, Project Management, Leadership and Management, Program Evaluation, Initiative and Leadership, Leadership, Prioritization, Analysis
Intermediate · Course · 1 - 4 Weeks

Skillshare
Skills you'll gain: Adobe Illustrator, Color Theory, Graphics Software, Creative Design, Design, Graphic and Visual Design, Design Software, Graphic Design, Graphic and Visual Design Software, Creativity
Beginner · Course · 1 - 4 Weeks

SAE Institute México
Skills you'll gain: Video Editing, Color Theory, Post-Production, Timelines, Data Import/Export
Beginner · Course · 1 - 4 Weeks

University of Michigan
Skills you'll gain: Music Theory, Classical Music, Music History, Musical Composition, Instrumental Music, Music
Intermediate · Course · 1 - 4 Weeks

Infosec
Skills you'll gain: Linux Administration, Version Control, Linux, Git (Version Control System), Linux Commands, Network Troubleshooting, Operating System Administration, Bash (Scripting Language), Systems Administration, Scripting, Shell Script, User Accounts, System Configuration, Network Administration, File Management, Identity and Access Management, General Networking, Firewall, Command-Line Interface, Security Controls
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Team Performance Management, Business Planning, Resource Management, Business Acumen, Organizational Effectiveness, Strategic Thinking, Business Strategy, Financial Management, Strategic Decision-Making, Organizational Change, Team Leadership, Financial Analysis, Financial Statements, Budgeting
Beginner · Course · 1 - 4 Weeks

University of Michigan
Skills you'll gain: Injury Prevention, Child Welfare, Substance Abuse, Public Health, Public Safety and National Security, Epidemiology, Health Disparities, Community Health, Family Law, Health Policy, Risk Analysis, Program Evaluation, Mental Health, Research
Beginner · Course · 1 - 3 Months

University of California, Irvine
Skills you'll gain: Stakeholder Management, Communication Planning, Agile Project Management, Work Breakdown Structure, Project Scoping, Project Management, Project Schedules, Project Coordination, Project Planning, Leadership and Management, Leadership, Feasibility Studies, Requirements Analysis, Communication
Beginner · Course · 1 - 3 Months

Skills you'll gain: Artificial Neural Networks, Data Visualization, Exploratory Data Analysis, Data Presentation, Applied Machine Learning, Machine Learning Methods, Predictive Modeling, Deep Learning, Classification And Regression Tree (CART), Data Analysis, Predictive Analytics, Machine Learning Algorithms, Machine Learning, Statistical Analysis, Feature Engineering, Python Programming
Beginner · Guided Project · Less Than 2 Hours
Ludwig-Maximilians-Universität München (LMU)
Skills you'll gain: Game Theory, Competitive Analysis, Business Strategy, Strategic Thinking, Strategic Partnership, Corporate Strategy, Market Dynamics, Strategic Decision-Making, New Product Development, Product Development, Market Analysis, Innovation
Mixed · Course · 1 - 3 Months