Extra-number.min NPM

A number is a mathematical object used to count, measure, and label.

Number type is double-precision 64-bit binary format IEEE 754 value. Includes notation conversion functions, as well as utilities.

This is browserified, minified version of extra-number. It is exported as global variable number. CDN: unpkg, jsDelivr.

const number = require('extra-number');

number.isPrime(53);
// true

number.properDivisors(6);
// [1, 2, 3]

number.round(9.1357, 0.05);
// 9.15

number.significantDigits(0.0034);
// 2

number.fromRoman('DCXLIX');
// 649

number.toScientific(695700000);
// '6.957×10⁸' (radius of Sun in m)

reference

Method	Action
is	Checks if value is a number.
isPrime	Checks if a number is prime.
compare	Compares 2 numbers.
round	Rounds number to specific precision.
ceil	Rounds up number to specific precision.
floor	Rounds down number to specific precision.
lerp	Gives a number based on weight, within given range.
clamp	Limits a number within given range.
map	Converts a number from one range to another.
aliquotSum	Gives sum of all proper divisors of n.
properDivisors	Gives a list of numbers that n is divisible by, except itself.
significantDigits	Counts the number of significant digits of a number.
fromWords	Converts number in words to number.
fromRoman	Converts roman numerals to number.
toRoman	Converts number to roman numerals.
fromScientific	Converts scientific notation to number.
toScientific	Converts number to scientific notation.