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Check Disarium number - JavaScript
Disarium Number − All those numbers which satisfy the following equation are dDisarium number −
xy...z = x^1 + y^2 + ... + z^n
Where n is the number of digits in the number.
For example −
175 is a disarium number be: 175 = 1^1 + 7^2 + 5^3 = 1 + 49 + 125 = 175
Let’s write the code for this function −
Example
Following is the code −
const num = 175;
const isDisarium = num => {
const res = String(num)
.split("")
.reduce((acc, val, ind) => {
acc += Math.pow(+val, ind+1);
return acc;
}, 0);
return res === num;
};
console.log(isDisarium(num));
console.log(isDisarium(32));
console.log(isDisarium(4334));Output
The output in the console: −
true false false
Updated on: 15-Sep-2020
279 Views
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