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If you start with a set with only one element [16187191] then there can be only one proper subset: the empty set.

Q: What is the number of proper subsets for 16187191?

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2n - 1

If the set is of finite order, that is, it has a finite number of elements, n, then the number of subsets is 2n.

If the set has n elements, the number of subsets (the power set) has 2n members.

The number 8 is not a set and so cannot have any subsets. The set consisting of the number 8 is a set and, since it has only one element in it, it has two subsets: itself and the null set.

512 subsets

Related questions

meaning of proper subsets

A set with n elements has 2n subsets. The number of proper subsets is one less, since 2n includes the set itself.

2n - 1

The empty set has only one subset: itself. It has no proper subsets.

A fraction is a number, it is not a set. A number cannot have subsets, only a set can.

To get the number of subsets of size less than 2:Total number of subsets of a set of size N is 2NTotal number of subsets of size 1 is 100Total number of subsets of size 0 is 1Total number of subsets of size 2 is 100*99/2 = 4950Sum up: 100 + 1 + 4950 = 5051Subtract this from total subsets: 2100 - 5051 (Answer)

The number of elements. A set with n elements has 2n subsets; for example, a set with 5 elements has 25 = 32 subsets.

16

Only a set can have subsets, a number cannot have subsets.

The null set is a proper subset of any non-empty set.

If the set is of finite order, that is, it has a finite number of elements, n, then the number of subsets is 2n.

If the set has n elements, the number of subsets (the power set) has 2n members.