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.

University of London
Skills you'll gain: Computational Logic, Algorithms, Arithmetic, Applied Mathematics, Advanced Mathematics, Mathematics and Mathematical Modeling, Deductive Reasoning, Mathematical Theory & Analysis, Trigonometry, Statistics, General Mathematics, Graphing, Computer Science, Statistical Analysis, Mathematical Modeling, Programming Principles, Business Mathematics, Business Logic, Algebra, Problem Solving
★ 4.1 (17) · Beginner · Specialization · 3 - 6 Months

Skillshare
Skills you'll gain: Color Matching, Layout Design
Beginner · Course · 1 - 3 Months
University of Colorado Boulder
Skills you'll gain: Color Theory, Color Matching, Graphic and Visual Design, Branding, Visual Design, Creative Design, Graphic Design, Design Elements And Principles, Culture, Design, Media and Communications, Adobe Creative Cloud
Intermediate · Course · 1 - 4 Weeks

The University of Sydney
Skills you'll gain: Linear Algebra, Markov Model, Geometry, Arithmetic, Algebra, Advanced Mathematics, Applied Mathematics
★ 4.8 (48) · Intermediate · Course · 1 - 4 Weeks

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 Colorado Boulder
Skills you'll gain: Logo Design, Color Theory, Graphic Design, Graphic and Visual Design, Design, Design Elements And Principles, Digital Design
★ 4.7 (601) · Beginner · Course · 1 - 4 Weeks

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

L&T EduTech
Skills you'll gain: Structural Engineering, Building Codes, Structural Analysis, Failure Analysis, Civil Engineering, Design Specifications, Engineering Calculations, Engineering Design Process, Construction, Materials science, Mechanics
Intermediate · Specialization · 1 - 3 Months

Korea Advanced Institute of Science and Technology(KAIST)
Skills you'll gain: Differential Equations, Mathematical Modeling, Calculus
★ 4.7 (1.4K) · Beginner · Course · 1 - 3 Months
University of London
Skills you'll gain: Arithmetic, Applied Mathematics, Computer Science, General Mathematics, Mathematical Modeling, Algebra, Cryptography
★ 4.2 (287) · Beginner · Course · 1 - 4 Weeks

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 Strategies, Critical Thinking, Decision Making, Market Dynamics, Negotiation, Risk Management, Mergers & Acquisitions, Advertising, Innovation, Economic Development
★ 4.7 (311) · Intermediate · Course · 1 - 3 Months

The Chinese University of Hong Kong
Skills you'll gain: Communication Systems, Probability Distribution, Algorithms
★ 4.7 (171) · Mixed · Course · 3 - 6 Months