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.

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
Intermediate · Course · 1 - 3 Months

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

University of Colorado System
Skills you'll gain: Cryptography, Brute-force attacks, Cryptographic Protocols, Encryption, Key Management, Cybersecurity, Computer Security, Information Assurance, Theoretical Computer Science, Threat Modeling, Communication Systems
★ 4.5 (550) · Intermediate · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Linear Algebra, Applied Mathematics, Algebra, Advanced Mathematics, Geometry, Applied Machine Learning, Markov Model
★ 4.8 (78) · Mixed · Course · 1 - 3 Months

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

Deep Teaching Solutions
Skills you'll gain: Student Engagement, Differentiated Instruction, Lifelong Learning, Persistence, Learning Theory, Tenacity, Problem Solving
★ 4.8 (28) · Beginner · Course · 1 - 4 Weeks

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

The University of Edinburgh
Skills you'll gain: Ethical Standards And Conduct, Research, Psychology, Psychological Evaluations, Software Testing
★ 4.5 (374) · Beginner · Course · 1 - 3 Months

Peking University
Skills you'll gain: Theoretical Computer Science, Computational Logic, Graph Theory, Geospatial Information and Technology, Spatial Data Analysis, Logical Reasoning, Network Model, Deductive Reasoning, Mathematics and Mathematical Modeling, Computational Thinking, Algebra, Computer Science, Information Technology, Data Structures
★ 4.7 (281) · Beginner · Course · 3 - 6 Months

Michigan State University
Skills you'll gain: Music Theory, Music, Musical Composition
★ 4.5 (760) · Beginner · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Algebra, Applied Mathematics, Graphing, Mathematical Modeling, Advanced Mathematics, Calculus, Predictive Modeling
Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Risk Analysis, Data-Driven Decision-Making, Strategic Decision-Making, Decision Intelligence, Decision Making, Data Analysis, Risk Management, Analytics, Risk Appetite, Complex Problem Solving, Strategic Thinking, Organizational Strategy, Microsoft Excel, Probability, Quantitative Research
Intermediate · Course · 1 - 4 Weeks