numerics to strings

// Display an integer in other bases
i := 5
strconv.FormatInt(i, 2)
strconv.FormatUint(i, 2)

b := true
strconv.FormatBool(b)               // True

j := 2.5
strconv.FormatFloat(j, 'E', -1, 32) // 'E' 2.5E+00, 'e' 2.5e00, 'f' 2.5, 'g' 2.5, 'G' 2.5
                                    //    'g' and 'G' will behave like 'e' and 'E' with large exponents
                                    // Number of digits, -1 is a special value that returns
                                    //    the minimum number of digits for an exact value
                                    // Variable size