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.

Coursera
Skills you'll gain: MySQL, SQL, Relational Databases, Data Analysis, Computer Programming, Computer Science
Beginner · Guided Project · Less Than 2 Hours
University of Washington
Skills you'll gain: Big Data, Relational Databases, Database Systems, Dataflow, Databases, Data Science, Data Manipulation, Data Processing, NoSQL, Apache Spark, Distributed Computing, Apache Hadoop, SQL, Data Analysis, Query Languages, Cloud Computing, Scalability, Graph Theory, Python Programming, Algorithms
Mixed · Course · 1 - 3 Months

Arizona State University
Skills you'll gain: Meeting Facilitation, Business Communication, Business Correspondence, Business Leadership, Employee Coaching, Telephone Skills, English Language, Active Listening, Leadership, Leadership and Management, Communication, Verbal Communication Skills, Recruitment, Writing, Communication Strategies, Team Building
Mixed · Course · 1 - 3 Months

Deep Teaching Solutions
Skills you'll gain: Lesson Planning, Critical Thinking, Classroom Management, Stress Management, Instructional Strategies, Teaching, Education and Training, Student Engagement, Differentiated Instruction, Learning Strategies, Pedagogy, Lecturing, Human Learning, Learning Theory, Special Education, Stress First Aid, Time Management, Education Software and Technology, Discussion Facilitation, Learning Management Systems
Beginner · Specialization · 1 - 3 Months
University of Illinois Urbana-Champaign
Skills you'll gain: Bankruptcies, Securities (Finance), Commercial Laws, Loans, Banking, Financial Regulations, Regulation and Legal Compliance, Business, Financial Regulation, Organizational Structure, Governance, Mergers & Acquisitions
Build toward a degree
Intermediate · Course · 1 - 3 Months

University of Michigan
Skills you'll gain: Case Studies, Manufacturing Processes, Digital Transformation, IT Infrastructure, Manufacturing and Production, Business Transformation, Technology Strategies, Business Technologies, Information Technology, Emerging Technologies, Technology Roadmaps, System Implementation, Strategic Partnership, Cost Benefit Analysis, Business Valuation
Build toward a degree
Beginner · Course · 1 - 4 Weeks

LearnKartS
Skills you'll gain: Billing, Billing Systems, Cloud Computing, Cost Management, Identity and Access Management, Cost Control, General Networking, Cost Estimation, Virtual Machines, Infrastructure As A Service (IaaS), Cloud Storage, Scalability, Amazon CloudWatch, Software As A Service, Databases, Platform As A Service (PaaS), Database Management, Continuous Monitoring, Private Cloud, Network Administration
Beginner · Specialization · 1 - 3 Months

Tecnológico de Monterrey
Skills you'll gain: Influencing, Persuasive Communication, Organizational Leadership, Leadership, Industrial and Organizational Psychology, Leadership and Management, Team Motivation, Leadership Development, Stress First Aid, Business Leadership, Psychology, Empowerment, Employee Engagement, Organizational Structure
Intermediate · Course · 1 - 4 Weeks

Korea Advanced Institute of Science and Technology(KAIST)
Skills you'll gain: Energy and Utilities, Chemical Engineering, Chemistry, Process Engineering, Mechanical Engineering, Environmental Engineering, Oil and Gas, Sustainable Engineering, Engineering Calculations, Physical Science, Mathematical Modeling
Beginner · Course · 1 - 3 Months

École Polytechnique Fédérale de Lausanne
Skills you'll gain: Digital Communications, Electrical and Computer Engineering, Communication Systems, Electronic Systems, Electronics Engineering, Telecommunications, Linear Algebra, Calculus, Applied Mathematics
Intermediate · Course · 1 - 4 Weeks
University of Illinois Urbana-Champaign
Skills you'll gain: Financial Accounting, Balance Sheet, Financial Reporting, Revenue Recognition, Income Statement, Financial Statements, Generally Accepted Accounting Principles (GAAP), Contract Accounting, Accounting, Accrual Accounting, Cash Flows, Financial Analysis, International Financial Reporting Standards
Build toward a degree
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Data Structures, Algorithms, Graph Theory, Programming Principles, Theoretical Computer Science, Computer Science, Computer Programming, Python Programming, Pandas (Python Package), Machine Learning Algorithms, Computational Thinking, C++ (Programming Language), Data Architecture, Random Forest Algorithm, Performance Tuning, Object Oriented Programming (OOP), Network Analysis, Program Development, Problem Solving, Debugging
Intermediate · Specialization · 3 - 6 Months