Repdigit
Brazilian numbers are another way of making repdigits. These are numbers that can be written as a repdigit in any base. A Brazilian Number can't be the repdigit 11 and it can't be a number with only one digit. 27 would be a Brazilian number because 27 is the repdigit 33 in base 8. 9 is not a Brazilian number because its only repdigit is 118. The first twenty Brazilian numbers are