What is the value of 2581?
8809 = 6 5555 = 0 7111 = 0 8193 = 3 2172 = 0 8096 = 5 6666 = 4 1012 = 1 1111 = 0 7777 = 0 3213 = 0 9999 = 4 7662 = 2 7756 = 1 9313 = 1 6855 = 3 0000 = 4 9881 = 5 2222 = 0 5531 = 0 3333 = 0 2581 = ?
Answer
2581 = 2
The answer has to do with the sum of the number of circles in each number. So the number 0 has 1 circle, 6 has 1 circle, 8 has 2 circles and 9 has 1 circle.