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.

IIMA - IIM Ahmedabad
Skills you'll gain: Strategic Thinking, Game Theory, Behavioral Economics, Business Strategy, Strategic Decision-Making, Culture Transformation, Complex Problem Solving, Problem Solving, Business Economics, Critical Thinking, Decision Making, Market Dynamics, Economics, Negotiation, Risk Management, Network Analysis, Mergers & Acquisitions, Advertising, Innovation, Economic Development
Intermediate · Course · 1 - 3 Months

Berklee
Skills you'll gain: Music Theory, Musical Composition, Music, Music Performance, Peer Review, Instrumental Music, Performing Arts
Beginner · Specialization · 3 - 6 Months

Duke University
Skills you'll gain: Risk Management, Business Risk Management, Credit Risk, Risk Mitigation, Stakeholder Communications, Operational Risk, Proposal Development, Risk Analysis, Finance, Business Planning, Stakeholder Management, Stakeholder Engagement, Business Strategies, Financial Analysis, Organizational Strategy, Strategic Thinking, Strategic Decision-Making
Beginner · Course · 1 - 4 Weeks

The University of Sydney
Skills you'll gain: Advanced Mathematics, Integral Calculus, Calculus, Mathematical Theory & Analysis, Differential Equations, Applied Mathematics, Trigonometry, Mathematical Modeling, Linear Algebra, Physics, Numerical Analysis, Derivatives
Intermediate · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Political Sciences, Policy Analysis, Social Justice, Economics, Policy, and Social Studies, Public Affairs, Social Sciences, Public Policies, Game Theory, Demography, Mathematical Modeling, Decision Intelligence, General Mathematics, Diversity Awareness, Logical Reasoning, Applied Mathematics
Mixed · Course · 1 - 3 Months

The Hong Kong University of Science and Technology
Skills you'll gain: Geometry, Mathematical Theory & Analysis, Advanced Mathematics, Algebra, Applied Mathematics, Linear Algebra
Beginner · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Descriptive Statistics, Linear Algebra, Exploratory Data Analysis, Data-Driven Decision-Making, Data Analysis, Bayesian Statistics, Artificial Intelligence, Probability, Regression Analysis, Calculus, Mathematical Software, Advanced Mathematics, Applied Mathematics, Probability Distribution, Mathematical Modeling, Model Optimization, Integral Calculus, Algebra, Machine Learning Algorithms, Dimensionality Reduction
Beginner · Course · 1 - 3 Months

The University of Tokyo
Skills you'll gain: Game Theory, Political Sciences
Beginner · Course · 1 - 4 Weeks
University of London
Skills you'll gain: Arithmetic, Applied Mathematics, Computer Science, General Mathematics, Numerical Analysis, Mathematical Modeling, Algebra, Cryptography, Logical Reasoning, Geometry, Deductive Reasoning
Beginner · Course · 1 - 4 Weeks

The University of Edinburgh
Skills you'll gain: Music Theory, Music, Classical Music, Musical Composition
Beginner · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: Arithmetic, Logical Reasoning, Applied Mathematics, Algebra, General Mathematics
Beginner · Course · 1 - 4 Weeks

Birla Institute of Technology & Science, Pilani
Skills you'll gain: Theoretical Computer Science, Computational Logic, Mathematical Theory & Analysis, Algorithms, Computational Thinking, Programming Principles, Computer Science, Graph Theory, Deductive Reasoning, Natural Language Processing, Logical Reasoning, Formal Learning
Build toward a degree
Intermediate · Course · 1 - 3 Months