The Number

128404

One Hundred and Twenty-Eight Thousand Four Hundred and Four

In Base 21 Unovigesimal Is

di3a21

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

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

Nearby Numbers

Positive, nonzero integers within three units

128401
di3721
One Hundred and Twenty-Eight Thousand Four Hundred and One in Base 21 Unovigesimal
128402
di3821
One Hundred and Twenty-Eight Thousand Four Hundred and Two in Base 21 Unovigesimal
128403
di3921
One Hundred and Twenty-Eight Thousand Four Hundred and Three in Base 21 Unovigesimal
128405
di3b21
One Hundred and Twenty-Eight Thousand Four Hundred and Five in Base 21 Unovigesimal
128406
di3c21
One Hundred and Twenty-Eight Thousand Four Hundred and Six in Base 21 Unovigesimal
128407
di3d21
One Hundred and Twenty-Eight Thousand Four Hundred and Seven in Base 21 Unovigesimal

Scientific Notation

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

1.28404e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0001agjf7k6dib5221

The reciprocal of 128404 in Base 21 Unovigesimal.

Palindrome?

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

The number di3a21 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 four hundred and four is a composite number with 12 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 four hundred and four is a composite number with 12 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 four hundred and four has the following 3 prime factors:

2
221
Two in Base 21 Unovigesimal
47
2521
Forty-Seven in Base 21 Unovigesimal
683
1bb21
Six Hundred and Eighty-Three in Base 21 Unovigesimal

Prime Factorization

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

2212 · 25211 · 1bb211 = di3a21

Base Conversions

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