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.

Duke University
Skills you'll gain: Risk Management, Business Risk Management, Credit Risk, Stakeholder Communications, Operational Risk, Proposal Development, Risk Analysis, Business Strategies, Financial Forecasting, Financial Analysis, Financial Modeling, 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, Engineering Calculations, Mathematical Modeling, Linear Algebra, Physics, Derivatives
Intermediate · Course · 1 - 4 Weeks

Princeton University
Skills you'll gain: Theoretical Computer Science, Data Structures, Computer Science, Computer Architecture, Algorithms, Programming Principles, Computational Logic, Java Programming, Computer Hardware, Scalability
Intermediate · Course · 1 - 3 Months

O.P. Jindal Global University
Skills you'll gain: Econometrics, Regression Analysis, Probability & Statistics, Statistical Modeling, Statistical Analysis, Correlation Analysis, Time Series Analysis and Forecasting, Economics, Statistical Inference, Probability Distribution, Logistic Regression, Model Evaluation
Build toward a degree
Beginner · Course · 1 - 3 Months

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

Birla Institute of Technology & Science, Pilani
Skills you'll gain: Engineering Calculations, Trigonometry, Engineering Analysis, Linear Algebra, Calculus, Differential Equations, Mathematical Modeling, Mathematical Theory & Analysis, Applied Mathematics, Algebra
Beginner · Course · 1 - 3 Months

Skills you'll gain: Color Theory, Color Matching, Adobe Illustrator, Creative Design, Graphic and Visual Design, Design Elements And Principles, Digital Design, Graphic Design, Design, Visual Design, Design Software, Content Creation, Creative Thinking
Beginner · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Arithmetic, Logical Reasoning, Quantitative Research, Estimation, Applied Mathematics, Advanced Mathematics, Algebra, Complex Problem Solving, General Mathematics
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

École Polytechnique
Skills you'll gain: Semiconductors, Materials science, Differential Equations, Numerical Analysis, Linear Algebra, Applied Mathematics, Chemistry, Physics, Calculus
Advanced · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Political Sciences, Policy Analysis, Social Justice, Social Sciences, Public Policies, Game Theory, Demography, Logical Reasoning, Applied Mathematics
Mixed · Course · 1 - 3 Months

University of California, Santa Cruz
Skills you'll gain: Instructional Strategies, Student-Centred Learning
Intermediate · Course · 1 - 3 Months