There is no THE 80 digit number - there are 9*1079 of them and each one of them has a differen name just as 11 and 12, both 2-digit numbers, have different names.
check digit
1234567890
close, ten millions place, because that number is 80 million....
96
Divide the two-digit number by the one-digit number. If the remainder is zero then the 2-digit number is a multiple and if not, it is not.
product means multiplication. so a 2 digit number multiplied by a 4 digit number. 80 x 6250 = 500,000 80 can be your 2 digit number 6250 can be your 4 digit number
The name "24-digit number" is just fine.The name "24-digit number" is just fine.The name "24-digit number" is just fine.The name "24-digit number" is just fine.
43
80 and 625
80
Just that - a 26-digit number. There is no special name for that.
We generally refer to them by the number of digits. Two-digit number, three-digit number, etc.
digit
check digit
two- digit modifier
It is called a twelve-digit number. Its exact name will depend on the number.
88