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.

Berklee
Skills you'll gain: Music History, Intellectual Property, Contract Negotiation, Music, Negotiation, Entrepreneurship, Business, Innovation, Team Management, Revenue Management, Digital Content, Law, Regulation, and Compliance
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: AI Product Strategy, Responsible AI, Strategic Leadership, Technology Roadmaps, Data Strategy, Artificial Intelligence, Agile Project Management, Business Strategy, Risking, Sprint Planning, Compliance Management, Data Management, Security Controls, Systems Design, Artificial Intelligence and Machine Learning (AI/ML), Governance, Ethical Standards And Conduct, Team Management, Team Building, Innovation
Advanced · Course · 3 - 6 Months

Skills you'll gain: Matplotlib, NumPy, Pandas (Python Package), Applied Machine Learning, Python Programming, Scikit Learn (Machine Learning Library), Data Visualization, Supervised Learning, Feature Engineering, Machine Learning, Natural Language Processing, Text Mining, Data Manipulation, Unsupervised Learning, Performance Tuning
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Keras (Neural Network Library), Tensorflow, Artificial Neural Networks, Deep Learning, Customer Analysis, Predictive Modeling, Data Processing, Feature Engineering, Predictive Analytics, Exploratory Data Analysis, Data Cleansing, Software Installation
Mixed · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: Data Ethics, Responsible AI, Predictive Modeling, OpenAI, Algorithms, Data Collection, Machine Learning, Predictive Analytics, Information Privacy, Artificial Intelligence, Game Theory, Large Language Modeling, Ethical Standards And Conduct, Personally Identifiable Information, Statistical Modeling, Machine Learning Algorithms, Analytical Skills, Artificial Intelligence and Machine Learning (AI/ML), Analysis, Risk Modeling
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Human Capital, Human Resources, Employee Performance Management, Performance Management, Human Resource Strategy, Human Resources Management and Planning, Talent Management, Workforce Planning, Talent Acquisition, Performance Appraisal, Talent Recruitment, Workforce Development, Labor Relations, Compensation and Benefits, Organizational Strategy, Succession Planning, Workforce Management, Employee Retention, Case Studies, Corporate Strategy
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Leadership and Management, Initiative and Leadership, Lifelong Learning, Leadership, Growth Mindedness, Relationship Building, Technology Strategies
Beginner · Course · 1 - 4 Weeks
University of Illinois Urbana-Champaign
Skills you'll gain: Statistical Inference, Business Analytics, Supply And Demand, Descriptive Statistics, Sampling (Statistics), Market Dynamics, Statistical Hypothesis Testing, Financial Systems, Statistics, Bank Regulations, Financial Policy, Banking, International Finance, Data-Driven Decision-Making, Data Analysis, Data Presentation, Statistical Analysis, Economics, Peer Review, Analytics
Build toward a degree
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Keras (Neural Network Library), Natural Language Processing, Text Mining, Deep Learning, Applied Machine Learning, Python Programming, Artificial Neural Networks, Data Processing, Jupyter
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: User Interface (UI) Design, Web Applications, User Interface (UI), UI/UX Strategy, User Experience Design, Cascading Style Sheets (CSS)
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Search Engine Optimization, Case Studies, Process Improvement and Optimization, Web Analytics and SEO, Competitive Analysis, Keyword Research, Content Strategy, Business Strategy, Marketing Strategies, Analysis, Auditing
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: C# (Programming Language), Object Oriented Programming (OOP), Version Control, GitHub, User Accounts, Role-Based Access Control (RBAC), Microsoft Visual Studio, Git (Version Control System), Debugging, Microsoft SQL Servers, .NET Framework, Object-Relational Mapping, Full-Stack Web Development, Identity and Access Management, Development Environment, Database Management, Database Development, Application Development, Authorization (Computing), Microsoft Windows
Intermediate · Specialization · 1 - 3 Months