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.

Birla Institute of Technology & Science, Pilani
Skills you'll gain: Theoretical Computer Science, Computer Programming, Algorithms, Computer Science, Formal Learning, Software Engineering, Program Development, Text Mining, Data Science, Analysis, Machine Learning Methods, Debugging, Technical Analysis
Intermediate · Course · 1 - 3 Months

University of Toronto
Skills you'll gain: Meeting Facilitation, Presentations, Persuasive Communication, Communication, Influencing, Verbal Communication Skills, Collaboration, Team Building, Interpersonal Communications, Business Communication, Virtual Teams, Public Speaking, Professional Development, Non-Verbal Communication, Strategic Communication, Empathy, Active Listening, Negotiation
Beginner · Course · 1 - 4 Weeks

University of Michigan
Skills you'll gain: Mechanical Engineering, Thermal Management, Engineering, Energy and Utilities, Physics, Engineering Analysis, Systems Of Measurement, Physical Science, Process Analysis, Environmental Issue
Beginner · Course · 1 - 3 Months

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

Skills you'll gain: Musical Composition, Music Theory, Music, Peer Review, Music Performance, Post-Production, Media Production, Storytelling, Editing, Organizational Skills, Writing, Technology Solutions
Beginner · Specialization · 3 - 6 Months

Birla Institute of Technology & Science, Pilani
Skills you'll gain: Social Media, Social Media Strategy, Social Media Marketing, Social Media Management, LinkedIn, Professional Networking, Ethical Standards And Conduct, Facebook, Trustworthiness, Instagram, Digital Media Strategy, Social Network Analysis, Professional Development, Safety and Security, Personally Identifiable Information, Digital Marketing, Cybersecurity, Content Creation, Digital Communications, Communication
Beginner · Course · 1 - 3 Months

Duke University
Skills you'll gain: Cognitive flexibility, Psychology, Compassion, Learning Theory, Social Skills, Empathy, Anthropology, Train The Trainer, Experimentation, Research, General Science and Research, Scientific Methods, Cultural Diversity, Cooperation, Non-Verbal Communication, Biology
Mixed · Course · 1 - 3 Months

University of Illinois Urbana-Champaign
Skills you'll gain: Supply And Demand, Economics, Market Dynamics, Business Economics, Behavioral Economics, Policy Analysis, Business Operations, Price Negotiation, Socioeconomics, Consumer Behaviour, Political Sciences, Economics, Policy, and Social Studies, Business Strategy, Public Policies, Competitive Analysis, Resource Allocation, Decision Making, Market Analysis, Cost Benefit Analysis, Environmental Issue
Beginner · Specialization · 1 - 3 Months

Coursera
Skills you'll gain: Canva (Software), Brand Strategy, Logo Design, Branding, Style Guides, Brand Awareness, Graphic and Visual Design, Marketing Materials, Typography, Design Elements And Principles, Color Theory, Asset Management
Beginner · Course · 1 - 4 Weeks

University of California, Irvine
Skills you'll gain: Goal Setting, Smart Goals, Professional Networking, Business Management, Professional Development, Staff Management, Leadership and Management, Operations Management, People Management, Business Administration, Planning, Customer Relationship Management, Organizational Leadership, Organizational Strategy, Leadership, Change Management
Mixed · Course · 1 - 4 Weeks

University of Minnesota
Skills you'll gain: Workforce Planning, Employee Onboarding, Recruitment, Recruitment Strategies, Full Cycle Recruitment, Talent Acquisition, Job Analysis, Human Resources, Employee Engagement, Talent Sourcing, Interviewing Skills, Decision Making, Diversity and Inclusion
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Canva (Software), Design, Digital Design, Product Design, Graphic and Visual Design Software, Creative Design, Color Theory, Graphic Design, Intellectual Property, E-Commerce, Direct Selling, Digital Content, Digital Assets, Marketing, Marketing Materials
Advanced · Guided Project · Less Than 2 Hours