MetaNumbers - Number Encyclopedia

MetaNumbers is a free, all-in-one math extension that provides detailed information about any positive integer up to 9,223,372,036,854,775,807. Users can enter numbers in decimal, factorized, binary, or hexadecimal form to discover prime factorization, all positive divisors, and classify numbers into over 70 categories such as perfect powers or abundant numbers.

This tool also computes advanced arithmetic functions important in number theory like Euler's totient, Möbius, Liouville, and prime counting functions. Additional features include converting numbers across different bases and displaying scientific notation or full names of numbers. MetaNumbers is ideal for students, educators, researchers, or anyone interested in exploring number properties deeply and conveniently within the browser.