code: @Pure
  	@SuppressWarnings("checkstyle:magicnumber")
  	public static String encodeBase26(int number) {
  		final StringBuilder value = new StringBuilder();
  		int code = number;
  		do {
  			final int rest = code % 26;
  			value.insert(0, (char) ('A' + rest));
  			code = code / 26 - 1;
  		}
  		while (code >= 0);
  		return value.toString();
  	}
docs: Replies a base 26 encoding string for the given
  number.
  
  @param number the number to encode.
  @return the base 26 encoding.
  @since 4.0