Calculator

Windows calculator:

• select the Programmer mode
• select the DEC format
• enter the decimal number
• copy the BIN value

Javascript

Decimal to Binary to Hexadecimal

function numberRepresentation(decimal, binary, hexadecimal) {
  this.decimal = decimal;
  this.binary = binary;
  this.hexadecimal = hexadecimal;
}
numbers =[]
for (var i=0;i<=16;i++) {
   numbers.push(
       new numberRepresentation(
           i,
           i.toString(2),
           i.toString(16).toUpperCase()
       )
   );
}
console.table(numbers);