The Number

20989

Twenty Thousand Nine Hundred and Eighty-Nine

In Base 25 Pentavigesimal Is

18ee25

The numbers with a 25 subscript use Base 25 Pentavigesimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

20986
18eb25
Twenty Thousand Nine Hundred and Eighty-Six in Base 25 Pentavigesimal
20987
18ec25
Twenty Thousand Nine Hundred and Eighty-Seven in Base 25 Pentavigesimal
20988
18ed25
Twenty Thousand Nine Hundred and Eighty-Eight in Base 25 Pentavigesimal
20990
18ef25
Twenty Thousand Nine Hundred and Ninety in Base 25 Pentavigesimal
20991
18eg25
Twenty Thousand Nine Hundred and Ninety-One in Base 25 Pentavigesimal
20992
18eh25
Twenty Thousand Nine Hundred and Ninety-Two in Base 25 Pentavigesimal

Scientific Notation

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

2.0989e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000if6kn1jim60l25

The reciprocal of 20989 in Base 25 Pentavigesimal.

Palindrome?

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

The number 18ee25 is not a palindrome.

Not A Prime Number

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

Twenty thousand nine hundred and eighty-nine is a composite number with 4 total factors (including 1 and itself).   See primes in Base 25 Pentavigesimal

A Composite

Composites have more than just these two factors.

Twenty thousand nine hundred and eighty-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 twenty thousand nine hundred and eighty-nine has the following 2 prime factors:

139
5e25
One Hundred and Thirty-Nine in Base 25 Pentavigesimal
151
6125
One Hundred and Fifty-One in Base 25 Pentavigesimal

Prime Factorization

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

5e251 · 61251 = 18ee25

Base Conversions

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