The Number
5
Five
In Base 21 Unovigesimal Is
521
The numbers with a 21 subscript use Base 21 Unovigesimal notation.
For more familiar numbers: See Five in Base 10 Decimal
Nearby Numbers
Positive, nonzero integers within three units
Scientific Notation
Scientific notation expresses a quantity as the product of its significand with 10 raised to an integer exponent.
5e0
Reciprocal
A number multiplied with its reciprocal is one.
0.444444444444621
The reciprocal of 5 in Base 21 Unovigesimal.
Palindrome?
A numerical palindrome has the same value when all of its digits are reversed.
The number 521 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 21 Unovigesimal
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 number five has the following 1 prime factor:
Prime Factorization
The prime factorization of a positive integer is the unique list of prime factors together with their multiplicities
5211
= 521
Base Conversions
The number five in 35 different bases