The Number

13009

Thirteen Thousand and Nine

In Base 21 Unovigesimal Is

18aa21

The numbers with a 21 subscript use Base 21 Unovigesimal notation.

For more familiar numbers: See Thirteen Thousand and Nine in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

13006
18a721
Thirteen Thousand and Six in Base 21 Unovigesimal
13007
18a821
Thirteen Thousand and Seven in Base 21 Unovigesimal
13008
18a921
Thirteen Thousand and Eight in Base 21 Unovigesimal
13010
18ab21
Thirteen Thousand and Ten in Base 21 Unovigesimal
13011
18ac21
Thirteen Thousand and Eleven in Base 21 Unovigesimal
13012
18ad21
Thirteen Thousand and Twelve in Base 21 Unovigesimal

Scientific Notation

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

1.3009e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000ejjh8i98aa2721

The reciprocal of 13009 in Base 21 Unovigesimal.

Palindrome?

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

The number 18aa21 is not a palindrome.

A Prime Number

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

Thirteen thousand and nine is the 1551st prime number.   See primes in Base 21 Unovigesimal

Not A Composite

Composites have more than just these two factors.

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

Prime Factors

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

The number thirteen thousand and nine has the following 1 prime factor:

13009
18aa21
Thirteen Thousand and Nine in Base 21 Unovigesimal

Prime Factorization

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

18aa211 = 18aa21

Base Conversions

The number thirteen thousand and nine in 35 different bases