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.

Universidades Anáhuac
Skills you'll gain: People Analytics, Talent Management, Human Capital, Human Resources Management and Planning, Strategic Leadership, Organizational Strategy, People Development, Organizational Leadership, People Management, Culture Transformation, Organizational Change, Innovation, Corporate Sustainability, Leadership, Empathy, Employee Engagement
Beginner · Course · 1 - 3 Months

Macquarie University
Skills you'll gain: Identity and Access Management, Authentications, User Provisioning, Multi-Factor Authentication, Security Assertion Markup Language (SAML), Single Sign-On (SSO), Threat Modeling, User Accounts, Key Management, Cyber Security Assessment, Threat Management, OAuth, Cybersecurity, Role-Based Access Control (RBAC), Vulnerability Assessments, System Design and Implementation, Threat Detection, Cryptography, Risk Management, Remote Access Systems
Beginner · Course · 1 - 3 Months

KodeKloud
Skills you'll gain: Responsible AI, Amazon Bedrock, Prompt Engineering, Generative AI, LLM Application, AI Security, Artificial Intelligence and Machine Learning (AI/ML), Embeddings, AWS SageMaker, Retrieval-Augmented Generation, Amazon Web Services, Large Language Modeling, Artificial Intelligence, Model Evaluation, Data Security, Human Centered Design
Beginner · Course · 1 - 3 Months

Ball State University
Skills you'll gain: Data Visualization, Rmarkdown, Exploratory Data Analysis, Data Visualization Software, Ggplot2, Interactive Data Visualization, Plot (Graphics), Statistical Visualization, R (Software), R Programming, Data Storytelling, Histogram, Scatter Plots, Data Analysis, Tidyverse (R Package), Data Manipulation
Build toward a degree
Intermediate · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Computational Logic, System Requirements, Functional Requirement, Theoretical Computer Science, Systems Analysis, Verification And Validation, Control Systems, Linear Algebra, Differential Equations, Applied Mathematics
Build toward a degree
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Cryptography, Cybersecurity, Network Security, Threat Modeling, Encryption, Identity and Access Management, Information Systems Security, Threat Detection, Firewall, Infrastructure Security, Security Controls, Security Strategy, Authorization (Computing), Authentications, Security Awareness, Risk Management Framework
Beginner · Course · 1 - 3 Months

Skills you'll gain: Lean Six Sigma, Lean Methodologies, Statistical Hypothesis Testing, Correlation Analysis, Process Improvement, Sampling (Statistics), Project Management, Data Literacy, Regression Analysis, Process Capability, Goal Setting, Statistical Analysis, Scatter Plots, Customer experience improvement, Quality Management, Microsoft Excel, Process Mapping, Risk Management, Root Cause Analysis
Mixed · Course · 1 - 4 Weeks

Multiple educators
Skills you'll gain: Sustainable Business, Sustainable Development, Organizational Leadership, Corporate Sustainability, Environmental Social And Corporate Governance (ESG), Systems Thinking, Brand Marketing, Change Management, Strategic Leadership, Professional Development, Waste Minimization, Packaging and Labeling, Environment and Resource Management, Business Leadership, Regulatory Compliance, Engineering Management, Market Opportunities, Key Performance Indicators (KPIs), Emerging Technologies, Digital Marketing
Build toward a degree
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Figma (Design Software), UI Components, User Interface (UI) Design, Color Theory, Typography, Design Elements And Principles, User Experience Design, Web Design and Development, Web Content Accessibility Guidelines
Intermediate · Guided Project · Less Than 2 Hours

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 Washington
Skills you'll gain: Responsive Web Design, Web Design, GitHub, HTML and CSS, Cascading Style Sheets (CSS), Hypertext Markup Language (HTML), Version Control, Web Design and Development, Usability, User Interface and User Experience (UI/UX) Design, User Experience, Javascript, Web Content Accessibility Guidelines, Browser Compatibility, User Story, Front-End Web Development, Web Development, Mobile Development, Semantic Web, Git (Version Control System)
Beginner · Specialization · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Vision Transformer (ViT), Recurrent Neural Networks (RNNs), Multimodal Prompts, Artificial Intelligence and Machine Learning (AI/ML), Embeddings, Digital Signal Processing, Transfer Learning
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Advanced · Course · 1 - 4 Weeks