In each of the following number series, the wrong number is given, find out that number.
28, 29, 57, 174, 687, 3436, 20615
1
57
2
20615
3
174
4
29
5
3436
In each of the following number series, the wrong number is given, find out that number.
28, 29, 57, 174, 687, 3436, 20615