The Number

128091

One Hundred and Twenty-Eight Thousand and Ninety-One

In Base 21 Unovigesimal Is

dh9c21

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

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

Nearby Numbers

Positive, nonzero integers within three units

128088
dh9921
One Hundred and Twenty-Eight Thousand and Eighty-Eight in Base 21 Unovigesimal
128089
dh9a21
One Hundred and Twenty-Eight Thousand and Eighty-Nine in Base 21 Unovigesimal
128090
dh9b21
One Hundred and Twenty-Eight Thousand and Ninety in Base 21 Unovigesimal
128092
dh9d21
One Hundred and Twenty-Eight Thousand and Ninety-Two in Base 21 Unovigesimal
128093
dh9e21
One Hundred and Twenty-Eight Thousand and Ninety-Three in Base 21 Unovigesimal
128094
dh9f21
One Hundred and Twenty-Eight Thousand and Ninety-Four in Base 21 Unovigesimal

Scientific Notation

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

1.28091e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0001aic038c2b1de21

The reciprocal of 128091 in Base 21 Unovigesimal.

Palindrome?

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

The number dh9c21 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 twenty-eight thousand and ninety-one 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.

One hundred and twenty-eight thousand and ninety-one 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 one hundred and twenty-eight thousand and ninety-one has the following 2 prime factors:

3
321
Three in Base 21 Unovigesimal
42697
4ch421
Forty-Two Thousand Six Hundred and Ninety-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

3211 · 4ch4211 = dh9c21

Base Conversions

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