The Number

128498

One Hundred and Twenty-Eight Thousand Four Hundred and Ninety-Eight

In Base 21 Unovigesimal Is

di7k21

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 Ninety-Eight in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

128495
di7h21
One Hundred and Twenty-Eight Thousand Four Hundred and Ninety-Five in Base 21 Unovigesimal
128496
di7i21
One Hundred and Twenty-Eight Thousand Four Hundred and Ninety-Six in Base 21 Unovigesimal
128497
di7j21
One Hundred and Twenty-Eight Thousand Four Hundred and Ninety-Seven in Base 21 Unovigesimal
128499
di8021
One Hundred and Twenty-Eight Thousand Four Hundred and Ninety-Nine in Base 21 Unovigesimal
128500
di8121
One Hundred and Twenty-Eight Thousand Five Hundred in Base 21 Unovigesimal
128501
di8221
One Hundred and Twenty-Eight Thousand Five Hundred and One in Base 21 Unovigesimal

Scientific Notation

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

1.28498e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0001ag99iibigbdi21

The reciprocal of 128498 in Base 21 Unovigesimal.

Palindrome?

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

The number di7k21 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 ninety-eight is a composite number with 8 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 ninety-eight is a composite number with 8 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 ninety-eight has the following 3 prime factors:

2
221
Two in Base 21 Unovigesimal
47
2521
Forty-Seven in Base 21 Unovigesimal
1367
32221
One Thousand Three Hundred and Sixty-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

2211 · 25211 · 322211 = di7k21

Base Conversions

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