JavaScript Number MAX_SAFE_INTEGER Property

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The JavaScript Number.MAX_SAFE_INTEGER is a constant number that represents the maximum safe integer. This constant has a value of (2⁵³ – 1). Here safe refers to the ability to represent integers and to compare them.

Syntax:

Number.MAX_SAFE_INTEGER

Return Value: A constant number.

Example 1: Below example illustrates the usage of Number.MAX_SAFE_INTEGER

Javascript

const a = Number.MAX_SAFE_INTEGER + 1; 
const b = Number.MAX_SAFE_INTEGER + 2; 
  
console.log(Number.MAX_SAFE_INTEGER); 
console.log(a); 
console.log(a === b);

Output:

9007199254740991
9007199254740992
true

Example 2: Below example illustrates the usage of the constants Number.MAX_SAFE_INTEGER using Math.pow() function.

Javascript

const a = Number.MAX_SAFE_INTEGER; 
const b = -(Math.pow(2, 53) - 1); 
  
console.log(a); 
console.log(b); 
console.log(a === b);

Output:

9007199254740991
-9007199254740991
false

Supported Browsers:

Chrome 34 and above
Internet Explorer (Not Supported)
Firefox 31 and above
Edge 12 and above
Safari 9 and above
Opera 21 and above

We have a complete list of JavaScript Number constructor, properties, and methods list, to know more about the numbers please go through that article.

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