The Number

28989

Twenty-Eight Thousand Nine Hundred and Eighty-Nine

In Base 21 Unovigesimal Is

32f921

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

For more familiar numbers: See Twenty-Eight Thousand Nine Hundred and Eighty-Nine in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

28986
32f621
Twenty-Eight Thousand Nine Hundred and Eighty-Six in Base 21 Unovigesimal
28987
32f721
Twenty-Eight Thousand Nine Hundred and Eighty-Seven in Base 21 Unovigesimal
28988
32f821
Twenty-Eight Thousand Nine Hundred and Eighty-Eight in Base 21 Unovigesimal
28990
32fa21
Twenty-Eight Thousand Nine Hundred and Ninety in Base 21 Unovigesimal
28991
32fb21
Twenty-Eight Thousand Nine Hundred and Ninety-One in Base 21 Unovigesimal
28992
32fc21
Twenty-Eight Thousand Nine Hundred and Ninety-Two in Base 21 Unovigesimal

Scientific Notation

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

2.8989e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0006eic18ke07e21

The reciprocal of 28989 in Base 21 Unovigesimal.

Palindrome?

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

The number 32f921 is not a palindrome.

Not A Prime Number

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

Twenty-eight thousand nine hundred and eighty-nine is a composite number with 6 total factors (including 1 and itself).   See primes in Base 21 Unovigesimal

A Composite

Composites have more than just these two factors.

Twenty-eight thousand nine hundred and eighty-nine is a composite number with 6 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 twenty-eight thousand nine hundred and eighty-nine has the following 2 prime factors:

3
321
Three in Base 21 Unovigesimal
3221
76821
Three Thousand Two Hundred and Twenty-One in Base 21 Unovigesimal

Prime Factorization

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

3212 · 768211 = 32f921

Base Conversions

The number twenty-eight thousand nine hundred and eighty-nine in 35 different bases