Nice Numbers

Installation

Using npm:

$ npm i nice-numbers

Usage

Checks

Composite https://en.wikipedia.org/wiki/Composite_number

checkComposite(number: number) => boolean

Cube https://en.wikipedia.org/wiki/Cube_(algebra)

checkCube(number: number) => boolean

Even https://en.wikipedia.org/wiki/Parity_(mathematics)

checkEven(number: number) => boolean

Factorial https://en.wikipedia.org/wiki/Factorial

checkFactorial(number: number) => boolean

Fibonacci https://en.wikipedia.org/wiki/Fibonacci_number

checkFibonacci(number: number) => boolean

Negative https://en.wikipedia.org/wiki/Negative_number

checkNegative(number: number) => boolean

Odd https://en.wikipedia.org/wiki/Parity_(mathematics)

checkOdd(number: number) => boolean

Prime https://en.wikipedia.org/wiki/Prime_number

checkPrime(number: number) => boolean

Positive https://en.wikipedia.org/wiki/Positive_real_numbers

checkPositive(number: number) => boolean

Square https://en.wikipedia.org/wiki/Square_number

checkSquare(number: number) => boolean

Sequences

Cube http://oeis.org/A000578

cubeSequence(start?: number, length?: number) => number[]

Cube http://oeis.org/A000578

cubeSequence(start?: number, length?: number) => number[]

Even http://oeis.org/A005843

evenSequence(start?: number, length?: number)

Factorial http://oeis.org/A000142

factorialSequence(start?: number, length?: number)

Fibonacci http://oeis.org/A000045

fibonacciSequence(start?: number, length?: number)

Natural http://oeis.org/A000027

naturalSequence(start?: number, length?: number)

Odd http://oeis.org/A005408

oddSequence(start?: number, length?: number)

Powers of two https://oeis.org/A000079

powers2Sequence(start?: number, length?: number)

Square http://oeis.org/A000290

squareSequence(start?: number, length?: number)

Star http://oeis.org/A003154

starSequence(start?: number, length?: number)

Triangular https://oeis.org/A000217

triangularSequence(start?: number, length?: number)