LINQ to find the closest number that is greater / less than an input

Question

Suppose I have this number list:

List = new List(){3,5,8,11,12,13,14,21}

Suppose that I want to get the closest number th

Answer 1

You can use a query for this such as:

List numbers = new List() { 3, 5, 8, 11, 12, 13, 14, 21 };
List output = (from n in numbers
                            where n > 13 // or whatever
                            orderby n ascending //or descending
                            select n).ToList();