Number Theory Calculators

Bell Number Calculator

Calculates the nth Bell number, representing the total number of disti…

Catalan Number Calculator

Computes the nth Catalan number using the closed-form binomial formula…

Continued Fraction Calculator

Converts a real number into its continued fraction representation and …

Decimal to Fraction Calculator

Converts any decimal number into its simplest fraction form by finding…

Euler's Totient Function Calculator

Computes Euler's totient function φ(n), the count of integers from 1 t…

Fraction Calculator

Add, subtract, multiply, and divide two fractions with automatic simpl…

Greatest Common Divisor Calculator

Calculate the greatest common divisor (GCD) of two integers using the …

LCM and GCD Calculator

Calculates the Least Common Multiple (LCM) and Greatest Common Divisor…

Modular Arithmetic Calculator

Computes the remainder, modular inverse, modular exponentiation, and r…

Number Theory Divisibility Calculator

Determines whether one integer divides another and computes quotient, …

Perfect Number Checker

Determines whether a given positive integer is a perfect number by che…

Prime Factorization Calculator

Decompose any integer into its prime factors and display the full fact…

Roman Numeral Converter

Converts any integer between 1 and 3999 to its Roman numeral represent…

Scientific Notation Calculator

Converts any decimal number to scientific notation and back, showing t…