The Number

198009

One Hundred and Ninety-Eight Thousand and Nine

In Base 21 Unovigesimal Is

1080021

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

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

Nearby Numbers

Positive, nonzero integers within three units

198006
107ki21
One Hundred and Ninety-Eight Thousand and Six in Base 21 Unovigesimal
198007
107kj21
One Hundred and Ninety-Eight Thousand and Seven in Base 21 Unovigesimal
198008
107kk21
One Hundred and Ninety-Eight Thousand and Eight in Base 21 Unovigesimal
198010
1080121
One Hundred and Ninety-Eight Thousand and Ten in Base 21 Unovigesimal
198011
1080221
One Hundred and Ninety-Eight Thousand and Eleven in Base 21 Unovigesimal
198012
1080321
One Hundred and Ninety-Eight 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.

1.98009e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0000kd2ki12c08he21

The reciprocal of 198009 in Base 21 Unovigesimal.

Palindrome?

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

The number 1080021 is not a palindrome.

Not A Prime Number

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

One hundred and ninety-eight thousand and nine is a composite number with 18 total factors (including 1 and itself).   See primes in Base 21 Unovigesimal

A Composite

Composites have more than just these two factors.

One hundred and ninety-eight thousand and nine is a composite number with 18 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 one hundred and ninety-eight thousand and nine has the following 3 prime factors:

3
321
Three in Base 21 Unovigesimal
7
721
Seven in Base 21 Unovigesimal
449
10821
Four Hundred and Forty-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

3212 · 7212 · 108211 = 1080021

Base Conversions

The number one hundred and ninety-eight thousand and nine in 35 different bases