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.

Skills you'll gain: Model Evaluation, Keras (Neural Network Library), Data Preprocessing, Deep Learning, Artificial Neural Networks, Tensorflow, Applied Machine Learning, Feature Engineering, Predictive Modeling, Data Cleansing, Machine Learning, Real Estate, Regression Analysis, Python Programming
Beginner · Guided Project · Less Than 2 Hours

University of Pennsylvania
Skills you'll gain: Agentic systems, Artificial Intelligence, Algorithms, Python Programming, Theoretical Computer Science, Liberal Arts
Intermediate · Course · 1 - 4 Weeks

Skillshare
Skills you'll gain: Video Editing, Animations, Timelines, Post-Production, Storytelling, Motion Graphics, Color Theory, Video Production, Cinematography, Editing, Photo/Video Production and Technology, Configuration Management, Web Content Accessibility Guidelines, Data Import/Export, Image Quality, Music, Color Matching, File Management, Typography
Beginner · Specialization · 3 - 6 Months

Berklee
Skills you'll gain: Musical Composition, Music Theory, Music, Storytelling, Performing Arts, Writing, Creativity
Mixed · Course · 1 - 3 Months
University of Rochester
Skills you'll gain: Supply And Demand, Market Dynamics, Economics, Consumer Behaviour, Resource Allocation, Cost Benefit Analysis, Market Analysis, Policy Analysis, Decision Making, Investment Management
Beginner · Course · 1 - 4 Weeks
Johns Hopkins University
Skills you'll gain: Epidemiology, Community Health, Biostatistics, Public Health, Community Outreach, Social Determinants Of Health, Health Assessment, Environmental Monitoring, Investigation, Data Collection, Persuasive Communication
Beginner · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: Workplace inclusivity, Recruitment, Talent Recruitment, Professional Development, Virtual Teams, People Development, Cultural Diversity, Human Capital, Professional Networking, Team Building, Lifelong Learning, Innovation, Decision Making, Employee Onboarding, Change Management, Time Management, Learning Strategies, Emerging Technologies, Branding
Intermediate · Specialization · 1 - 3 Months

Institute for the Future
Skills you'll gain: Visionary, Strategic Thinking, Cognitive flexibility, Creative Thinking, Simulations, Creativity, Virtual Reality, Empathy, Strategic Planning, Personal Development, Innovation, Adaptability, Self-Awareness, Decision Making, Storytelling
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Cyber Governance, Security Management, Incident Management, Cyber Security Strategy, Business Continuity, Disaster Recovery, IT Management, Cybersecurity, Information Systems Security, Governance, Cyber Risk, Cyber Security Policies, Security Controls, Asset Management, Security Requirements Analysis, Information Assurance, Key Performance Indicators (KPIs), Leadership and Management, Leadership, Technical Communication
Beginner · Specialization · 3 - 6 Months

Johns Hopkins University
Skills you'll gain: Calculus, Mathematical Software, Data Analysis, Mathematical Theory & Analysis, Derivatives, Graphing, Algebra
Beginner · Course · 1 - 3 Months

IE Business School
Skills you'll gain: International Finance, Economics, International Relations, Economic Development, Global Marketing, Financial Trading, Socioeconomics, World History, Supply And Demand, Political Sciences, Trend Analysis, Risk Analysis
Beginner · Course · 1 - 3 Months

Rice University
Skills you'll gain: Combinatorics, Probability, Programming Principles, Program Development, Computational Thinking, Computer Programming, Object Oriented Programming (OOP), Development Testing, Software Testing, Applied Mathematics, Debugging, Algorithms, Python Programming, Game Design, Simulations
Intermediate · Course · 1 - 3 Months