The Number

13909

Thirteen Thousand Nine Hundred and Nine

In Base 21 Unovigesimal Is

1ab721

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

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

Nearby Numbers

Positive, nonzero integers within three units

13906
1ab421
Thirteen Thousand Nine Hundred and Six in Base 21 Unovigesimal
13907
1ab521
Thirteen Thousand Nine Hundred and Seven in Base 21 Unovigesimal
13908
1ab621
Thirteen Thousand Nine Hundred and Eight in Base 21 Unovigesimal
13910
1ab821
Thirteen Thousand Nine Hundred and Ten in Base 21 Unovigesimal
13911
1ab921
Thirteen Thousand Nine Hundred and Eleven in Base 21 Unovigesimal
13912
1aba21
Thirteen Thousand Nine Hundred 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.

1.3909e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000dkd4i6d36ea621

The reciprocal of 13909 in Base 21 Unovigesimal.

Palindrome?

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

The number 1ab721 is not a palindrome.

Not A Prime Number

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

Thirteen thousand nine hundred and nine is a composite number with 4 total factors (including 1 and itself).   See primes in Base 21 Unovigesimal

A Composite

Composites have more than just these two factors.

Thirteen thousand nine hundred and nine is a composite number with 4 total factors (including 1 and itself).

Prime Factors

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

The number thirteen thousand nine hundred and nine has the following 2 prime factors:

7
721
Seven in Base 21 Unovigesimal
1987
4ad21
One Thousand Nine Hundred and Eighty-Seven in Base 21 Unovigesimal

Prime Factorization

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

7211 · 4ad211 = 1ab721

Base Conversions

The number thirteen thousand nine hundred and nine in 35 different bases