67 of them.
Multiply 8 by the first four counting numbers. 8, 16, 24, 32
There are four of each.
04, 40 08, 80 44, 44 48, 84 88, 88 Three of them if you don't count the first two.
Multiples of 4, like 4, 8 and 12.
8100
67 of them.
There are 7200 such numbers.
Not counting numbers with leading 0s, there are 48 = 44 - 43
Four. They are 14, 21, 28, and 42.
Multiply 8 by the first four counting numbers. 8, 16, 24, 32
There are ten thousand possible pin numbers with four digits. To generate your list, start at 0000 and start counting, to 9999.
All of the four-digit multiples of 400 end in 00.
Multiply 26 by successive counting numbers.
Lowest four-digit number: 1000 Highest four-digit number: 9999
A four digit whole number can be found from 1000 to 9999
21