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: Social Network Analysis, Network Analysis, Responsible AI, Graph Theory, Machine Learning, Applied Machine Learning, Research, Model Evaluation, Social Sciences, Statistical Analysis, Amazon Web Services, R Programming, Tensorflow, Data Ethics, Artificial Intelligence and Machine Learning (AI/ML), Research Design, Sociology, Driving engagement, Machine Learning Methods, Behavioral Economics
Intermediate · Specialization · 3 - 6 Months

DeepLearning.AI
Skills you'll gain: Retrieval-Augmented Generation, LLM Application, LangChain, Large Language Modeling, Embeddings, Query Languages, Vector Databases, Data Storage, Semantic Web, Unstructured Data, Graph Theory
Intermediate · Project · Less Than 2 Hours

The State University of New York
Skills you'll gain: Benchmarking, Professional Development, Smart Goals, Planning, Performance Analysis, Job Analysis, Human Capital, Organizational Skills, Personal Development, Dashboard, Microsoft Excel, Goal Setting, Business Strategy, Writing
Advanced · Course · 1 - 3 Months

École normale supérieure
Skills you'll gain: Infographics, Geospatial Mapping, Data Mapping, Graphic and Visual Design, Graphics Software, Color Theory
Beginner · Course · 1 - 3 Months

Universidades Anáhuac
Skills you'll gain: Emotional Intelligence, Self-Awareness, Personal Development, Empathy, Organizational Leadership, Leadership and Management, Teamwork, Social Skills, Professional Development, Relationship Management, Decision Making, Interpersonal Communications, Problem Solving, Self-Motivation, Communication
Beginner · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Systems Thinking, Cross-Functional Collaboration, Stakeholder Analysis, Team Building, Business Leadership, Project Planning, Social Impact, Sustainable Development, Strategic Thinking, Data Visualization, Corporate Sustainability, Organizational Strategy, Communication Strategies, Relationship Building, User Research, Project Management, Root Cause Analysis, Critical Thinking, Decision Making
Beginner · Specialization · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Open Source Technology, Package and Software Management, Unit Testing, GitHub, Version Control, Rmarkdown, Cross Platform Development, Software Versioning, Software Documentation, R Programming, Knitr, Continuous Integration, Development Testing, Technical Documentation
Intermediate · Course · 1 - 4 Weeks

Lund University
Skills you'll gain: Sustainable Development, Systems Thinking, Sustainable Business, Sustainable Technologies, Sustainability Standards, Policy Development, Environmental Policy, Environmental Science, Climate Change Programs, Innovation, Environment and Resource Management, Natural Resource Management, Mathematical Modeling, Governance, Geospatial Information and Technology
Beginner · Course · 1 - 3 Months

Corporate Finance Institute
Skills you'll gain: Environmental Social And Corporate Governance (ESG), Corporate Sustainability, Sustainable Business, Compliance Management, Business Risk Management, Business Intelligence, Stakeholder Analysis, Environmental Issue, Corporate Strategy, Governance, Performance Analysis, Case Studies
Beginner · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Statistical Inference, Statistical Modeling, Regression Analysis, Data Ethics, Statistical Methods, Data Science, R Programming, Data Modeling, Statistical Analysis, Predictive Modeling, Mathematical Modeling, Probability & Statistics, Model Evaluation, Feature Engineering
Build toward a degree
Intermediate · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Organizational Leadership, Team Motivation, Diversity and Inclusion, Innovation, Team Leadership, Initiative and Leadership, Personal Development, Leadership, Resilience, Team Management, Team Performance Management, Industrial and Organizational Psychology, Business Leadership, Leadership and Management, Decision Making, Self-Awareness, Coaching, Change Management, Psychology, Storytelling
Build toward a degree
Beginner · Specialization · 3 - 6 Months
Skills you'll gain: Crisis Management, Business Ethics, Data Ethics, Media Relations, Communication Strategies, Public Relations, Strategic Communication, Stakeholder Communications, Business Communication, Communication, Diversity and Inclusion, Risk Management, Leadership and Management, Social Media Strategy, Business Strategy, Marketing
Beginner · Course · 1 - 3 Months