can a number be found by 3^x*5^y javascript code example

Example 1: javascript number length

export function numberLength(number) {
	let length = 0;
	let n = Math.abs(number);
	do {
		n /= 10;
		length++;
	} while (n >= 1);
	return length;
}

export default numberLength;

Example 2: js int

var myInt = 69420

1+1//int
1+"1"//string