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.

Indian Institute of Technology Guwahati
Intermediate · Specialization · 3 - 6 Months

Berklee
Skills you'll gain: Music Theory, Music, Musical Composition, Music Performance, Instrumental Music, Creativity, Mental Concentration
★ 4.7 (2.7K) · Beginner · Specialization · 3 - 6 Months

The Hong Kong University of Science and Technology
Skills you'll gain: Cryptography, Algorithms, Encryption, Arithmetic
Beginner · Course · 1 - 3 Months

University of Colorado System
Skills you'll gain: Data Encryption Standard, Public Key Infrastructure, Cryptography, Brute-force attacks, Key Management, Advanced Encryption Standard (AES), Encryption, Data Integrity, Cryptographic Protocols, Authentications, Algorithms
★ 4.6 (929) · Intermediate · Specialization · 3 - 6 Months

Duke University
Skills you'll gain: Risk Management, Credit Risk, Risk Mitigation, Stakeholder Communications, Operational Risk, Risk Analysis, Finance, Financial Analysis, Organizational Strategy
★ 4.7 (55) · Beginner · Course · 1 - 4 Weeks

The Hong Kong University of Science and Technology
Skills you'll gain: Computer Science
Beginner · Course · 1 - 3 Months

Sage Publications
Skills you'll gain: Infographics, Interactive Data Visualization, Data Visualization, Data Presentation, Graphic and Visual Design, Layout Design, Visualization (Computer Graphics), Visual Design, Typography, Design, Graphic Design, Usability, Color Theory, Design Elements And Principles
Intermediate · Course · 1 - 4 Weeks

O.P. Jindal Global University
Skills you'll gain: Econometrics, Regression Analysis, Statistical Hypothesis Testing, Probability & Statistics, Statistical Modeling, Statistical Analysis, Correlation Analysis, Time Series Analysis and Forecasting, Statistics, Statistical Inference, Probability Distribution, Model Evaluation
Beginner · Course · 1 - 3 Months
University of Illinois Urbana-Champaign
Skills you'll gain: Market Dynamics, Business Economics, Economics, Business Operations, Supply And Demand, Decision Making
★ 4.8 (37) · Beginner · Course · 1 - 4 Weeks

Stanford Online
Skills you'll gain: Game Theory, Mathematical Modeling, Problem Solving
★ 4.6 (4.9K) · Beginner · Course · 1 - 3 Months

University of Amsterdam
Skills you'll gain: Sociology, Social Sciences
★ 4.9 (3.1K) · Mixed · Course · 1 - 3 Months

Birla Institute of Technology & Science, Pilani
Skills you'll gain: Theoretical Computer Science, Computational Logic, Mathematical Theory & Analysis, Algorithms, Computational Thinking, Computer Science, Graph Theory, Deductive Reasoning, Logical Reasoning, Formal Learning
★ 4.1 (14) · Intermediate · Course · 1 - 3 Months