5

Nearby Numbers

Positive, nonzero integers within three units

2
Two
3
Three
4
Four
6
Six
7
Seven
8
Eight

Scientific Notation

Scientific notation expresses a quantity as the product of its significand with 10 raised to an integer exponent.

Reciprocal

A number multiplied with its reciprocal is one.

0.2

The reciprocal of 5.

Palindrome?

A numerical palindrome has the same value when all of its digits are reversed.

The number 5 is a palindrome.

A Prime Number

A prime number is a positive integer that is divisible only by itself and one.

Five is the 3rd prime number.   See primes in Base 10 Decimal

Not A Composite

Composites have more than just these two factors.

Five is not a composite number because it has exactly two factors: One and Five

Prime Factors

The prime factors of a positive integer are the integers that divide it exactly and are also prime.

The number five has the following 1 prime factor:

5
Five

Prime Factorization

The prime factorization of a positive integer is the unique list of prime factors together with their multiplicities

Base Conversions

The number five in 35 different bases