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.

University of Colorado Boulder
Skills you'll gain: Data Mining, Data Science, Data Modeling, Big Data, Analytical Skills, Unstructured Data, Data Preprocessing, Data Quality, Data Collection, Model Evaluation, Technical Communication, Technical Writing
Build toward a degree
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Model Evaluation, Convolutional Neural Networks, Data Preprocessing, Keras (Neural Network Library), Image Analysis, Deep Learning, Tensorflow, Computer Vision, Artificial Neural Networks, Recurrent Neural Networks (RNNs), Data Manipulation, Data Transformation, Financial Forecasting, Data Visualization, Time Series Analysis and Forecasting, Exploratory Data Analysis, Python Programming, Customer Analysis, Applied Machine Learning, Cloud Computing
Beginner · Specialization · 1 - 3 Months

Simplilearn
Skills you'll gain: Lean Methodologies, Six Sigma Methodology, Failure Mode And Effects Analysis, Lean Six Sigma, Process Optimization, Quality Improvement, Process Improvement, Quality Management, Process Mapping, Operational Efficiency, Continuous Improvement Process, Product Quality (QA/QC), Waste Minimization, Key Performance Indicators (KPIs), Root Cause Analysis, Product Development, Risk Analysis
Beginner · Course · 1 - 4 Weeks

Macquarie University
Skills you'll gain: Incident Response, Incident Management, Threat Modeling, Cyber Governance, Computer Security Incident Management, Cyber Security Strategy, Cyber Attacks, Security Management, Threat Management, Cyber Risk, Cyber Security Policies, Cybersecurity, Intrusion Detection and Prevention, Governance Risk Management and Compliance, Cyber Security Assessment, Cyber Operations, Compliance Management, Governance, Risk Management, Risk Control
Beginner · Specialization · 3 - 6 Months

Illinois Tech
Skills you'll gain: Database Design, Relational Databases, Database Theory, Data Integrity, Databases, Database Management Systems, Data Modeling, Unified Modeling Language, Diagram Design, Conceptual Design, Requirements Analysis
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Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Legal Technology, Data Ethics, Responsible AI, Legal Strategy, Legal Research, Generative AI, Legal Risk, Case Law, Law, Regulation, and Compliance, Artificial Intelligence, Legal Writing, Data-Driven Decision-Making, Forecasting, Automation, Client Services
Beginner · Course · 1 - 3 Months

Skills you'll gain: Team Leadership, Virtual Teams, Team Building, Conflict Management, Teamwork, Leadership and Management, Intercultural Competence, Program Management, Project Management, Organizational Leadership, Leadership, Communication Strategies, Simulation and Simulation Software, Communication
Beginner · Course · 1 - 4 Weeks

Meta
Skills you'll gain: React Native, Mobile Development, GitHub, User Interface and User Experience (UI/UX) Design, Version Control, Wireframing, UI Components, User Flows, Data Store, JSON, Development Environment, SQL
Intermediate · Course · 1 - 4 Weeks

Universidad de Palermo
Skills you'll gain: Game Theory, Decision Making, Strategic Decision-Making, Coordination, Behavioral Economics, Organizational Leadership, Team Oriented, Systems Thinking, Emotional Intelligence, Creative Thinking, Psychology
Beginner · Course · 1 - 4 Weeks

Pontificia Universidad Católica de Chile
Skills you'll gain: Traffic Flow Optimization, Transportation Operations, Supply And Demand, Network Analysis, Network Model, Mathematical Modeling, Game Theory, Graph Theory, Economics, Algorithms, Applied Mathematics
Beginner · Course · 1 - 3 Months

O.P. Jindal Global University
Skills you'll gain: Economics, Economic Development, International Finance, Financial Policy, Business Economics, Supply And Demand, Socioeconomics, Policy Analysis, Public Policies, Accounting, Growth Strategies, Critical Thinking
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Beginner · Course · 1 - 3 Months

The University of Chicago
Skills you'll gain: Keras (Neural Network Library), Unsupervised Learning, Machine Learning Algorithms, Deep Learning, Machine Learning, Applied Machine Learning, Scikit Learn (Machine Learning Library), Classification Algorithms, Supervised Learning, Regression Analysis, Random Forest Algorithm, Dimensionality Reduction, Model Evaluation, Data Preprocessing, Statistical Methods, Tensorflow, Feature Engineering, Pandas (Python Package)
Intermediate · Course · 1 - 3 Months