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.

Johns Hopkins University
Skills you'll gain: Code Review, GitHub, Git (Version Control System), Version Control, Docker (Software), Software Development Tools, Continuous Integration, Containerization, Bioinformatics, Informatics, Automation, Data Analysis, R Programming
Advanced · Course · 1 - 3 Months

Whizlabs
Skills you'll gain: Amazon Bedrock, Responsible AI, Retrieval-Augmented Generation, AWS SageMaker, AI Orchestration, AI Workflows, Generative AI, AI Security, Amazon CloudWatch, Artificial Intelligence, Model Evaluation, Prompt Engineering, Embeddings, Automation, Systems Integration
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Organizational Strategy, Business Strategy, Strategic Planning, Strategic Thinking, Management Information Systems, Strategic Leadership, Plan Execution, Strategic Decision-Making, Corporate Strategy, Sales Enablement, Sales Strategy, Performance Measurement, Revenue Management, Business Priorities, Competitive Analysis, Talent Acquisition, Key Performance Indicators (KPIs), Team Motivation
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Succession Planning, Leadership, Leadership Development, Organizational Leadership, Business Ethics, Business Leadership, Leadership and Management, Intercultural Competence, Team Leadership, Creativity, Team Building, Teamwork, Communication, Cultural Sensitivity, Cultural Diversity, Employee Coaching, Influencing, Mentorship, People Management, Coaching
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: AWS SageMaker, Amazon Web Services, Internet Of Things, Artificial Intelligence and Machine Learning (AI/ML), Blockchain, Image Analysis, Remote Access Systems, Text Mining, Computer Vision, Natural Language Processing
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: AWS Identity and Access Management (IAM), Amazon Web Services, Penetration Testing, Identity and Access Management, Vulnerability Assessments, Cloud Security, Amazon Elastic Compute Cloud, Cloud API, Exploitation techniques, Cyber Security Policies, Amazon S3, Scenario Testing, Command-Line Interface, Cloud Storage
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Data Visualization Software, Interactive Data Visualization, Application Development, Web Content Accessibility Guidelines, Color Theory
Intermediate · Course · 1 - 3 Months

AI CERTs
Skills you'll gain: Blockchain, Cryptography, Application Security, Encryption, Network Security, Security Engineering, Cybersecurity, Vulnerability Assessments, Transaction Processing, Data Validation, Distributed Computing, Data Integrity, Network Protocols, Data Mining, Verification And Validation
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Campaign Management, Social Media, Digital Marketing, Performance marketing, Social Media Marketing, Case Studies, Strategic Marketing, Marketing, Marketing Strategy and Techniques, Competitive Analysis, Global Marketing, Facebook, LinkedIn, Business Strategy, Content Strategy, Key Performance Indicators (KPIs)
Mixed · Course · 1 - 4 Weeks

Whizlabs
Skills you'll gain: Kubernetes, Google Cloud Platform, Serverless Computing, Cloud-Native Computing, Cloud Infrastructure, Cloud Computing Architecture, Cloud Computing, Infrastructure As A Service (IaaS), Application Deployment, Virtual Machines, Containerization, Load Balancing, Command-Line Interface
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Financial Statements, Financial Acumen, Financial Analysis, Financial Reporting, Financial Accounting, Equities, Key Performance Indicators (KPIs), Securities (Finance)
Mixed · Course · 1 - 4 Weeks

O.P. Jindal Global University
Skills you'll gain: Systems Thinking, Complex Problem Solving, Policy Analysis, Public Policies, Climate Change Programs, Program Evaluation, Political Sciences, Sustainable Development, Economic Development, Social Sciences, Economics, Research, Ethical Standards And Conduct, Computational Thinking, Innovation, Decision Making
Build toward a degree
Beginner · Course · 1 - 3 Months