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.

The Hong Kong University of Science and Technology
Skills you'll gain: Cryptography, Algorithms, Encryption, Theoretical Computer Science, Combinatorics, Mathematical Theory & Analysis, Arithmetic, Computational Thinking, Key Management, Applied Mathematics
Beginner · Course · 1 - 3 Months

The University of Tokyo
Skills you'll gain: Game Theory, Socioeconomics, Analysis, Political Sciences, Biology
★ 4.7 (2K) · 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
★ 4.2 (283) · Beginner · Course · 1 - 4 Weeks

University of Amsterdam
Skills you'll gain: Sociology, Social Studies, Social Sciences, Social Justice, Liberal Arts, Socioeconomics, Culture, Political Sciences, Economics, Scientific Methods, Governance
★ 4.9 (3.1K) · Mixed · Course · 1 - 3 Months

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
★ 4.9 (11) · Beginner · Course · 1 - 3 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, Stakeholder Management, Stakeholder Engagement, Financial Forecasting, Financial Analysis, Organizational Strategy, Strategic Thinking, Strategic Decision-Making, Cost Benefit Analysis
★ 4.7 (53) · Beginner · Course · 1 - 4 Weeks

Universitat Politècnica de València
Skills you'll gain: Deductive Reasoning, Concept Of Operations
Beginner · Course · 1 - 4 Weeks

Princeton University
Skills you'll gain: Combinatorics, Mathematical Theory & Analysis, Advanced Mathematics, Theoretical Computer Science, Calculus, Mathematics and Mathematical Modeling, Integral Calculus, Applied Mathematics
★ 4.6 (76) · Intermediate · Course · 1 - 3 Months

University of Houston
Skills you'll gain: Probability & Statistics, Statistical Methods, Statistics, Microsoft Excel, Predictive Analytics, Game Theory, Spreadsheet Software, Predictive Modeling, Excel Formulas, Pivot Tables And Charts, Regression Analysis, Statistical Analysis, Statistical Modeling, Advanced Analytics, Data-Driven Decision-Making, Data Analysis, Analytics, Data Analysis Software, Simulations, Probability
★ 4.5 (98) · Beginner · Course · 1 - 3 Months

University of North Texas
Skills you'll gain: Arithmetic, Graphing, Geometry, Statistics, Algebra, Descriptive Statistics, General Mathematics, Applied Mathematics, Statistical Visualization
★ 4.5 (328) · Beginner · Course · 1 - 4 Weeks

University of California San Diego
Skills you'll gain: Combinatorics, Probability, Probability & Statistics, Algorithms, Bayesian Statistics, Mathematical Modeling, Computational Thinking, Statistical Methods, Arithmetic, Applied Mathematics, Program Development, Python Programming
★ 4.6 (874) · Beginner · Course · 1 - 3 Months

École Polytechnique Fédérale de Lausanne
Skills you'll gain: Numerical Analysis, Differential Equations, Mathematical Software, Matlab, Calculus, Linear Algebra, Applied Mathematics, Mathematical Theory & Analysis, Integral Calculus, Experimentation, Algorithms, Derivatives
★ 4.5 (110) · Intermediate · Course · 1 - 3 Months