void setup() {
  Serial.begin(9600);

  unsigned short int myVariable = 12345;

  // Decimal format
  Serial.print("Decimal format: ");
  Serial.println(myVariable);

  // Hexadecimal format
  Serial.print("Hexadecimal format: 0x");
  Serial.println(myVariable, HEX);

  // Binary format
  Serial.print("Binary format: ");
  for (int i = 15; i >= 0; i--) {
    Serial.print(bitRead(myVariable, i));
  }
  Serial.println();

  // ASCII representation (if applicable)
  if (myVariable >= 32 && myVariable <= 126) {
    Serial.print("ASCII representation: ");
    Serial.println((char)myVariable);
  }
}

void loop() {
  // Your main code goes here
}