The Number

21013

Twenty-One Thousand and Thirteen

In Base 28 Octovigesimal Is

qmd28

The numbers with a 28 subscript use Base 28 Octovigesimal notation.

For more familiar numbers: See Twenty-One Thousand and Thirteen in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

21010
qma28
Twenty-One Thousand and Ten in Base 28 Octovigesimal
21011
qmb28
Twenty-One Thousand and Eleven in Base 28 Octovigesimal
21012
qmc28
Twenty-One Thousand and Twelve in Base 28 Octovigesimal
21014
qme28
Twenty-One Thousand and Fourteen in Base 28 Octovigesimal
21015
qmf28
Twenty-One Thousand and Fifteen in Base 28 Octovigesimal
21016
qmg28
Twenty-One Thousand and Sixteen in Base 28 Octovigesimal

Scientific Notation

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

2.1013e4

Reciprocal

A number multiplied with its reciprocal is one.

0.001170qp63kjar28

The reciprocal of 21013 in Base 28 Octovigesimal.

Palindrome?

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

The number qmd28 is not a palindrome.

A Prime Number

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

Twenty-one thousand and thirteen is the 2363rd prime number.   See primes in Base 28 Octovigesimal

Not A Composite

Composites have more than just these two factors.

Twenty-One Thousand and Thirteen is not a composite number because it has exactly two factors: One and Twenty-One Thousand and Thirteen

Prime Factors

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

The number twenty-one thousand and thirteen has the following 1 prime factor:

21013
qmd28
Twenty-One Thousand and Thirteen in Base 28 Octovigesimal

Prime Factorization

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

qmd281 = qmd28

Base Conversions

The number twenty-one thousand and thirteen in 35 different bases