The Number

21128

Twenty-One Thousand One Hundred and Twenty-Eight

In Base 25 Pentavigesimal Is

18k325

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

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

Nearby Numbers

Positive, nonzero integers within three units

21125
18k025
Twenty-One Thousand One Hundred and Twenty-Five in Base 25 Pentavigesimal
21126
18k125
Twenty-One Thousand One Hundred and Twenty-Six in Base 25 Pentavigesimal
21127
18k225
Twenty-One Thousand One Hundred and Twenty-Seven in Base 25 Pentavigesimal
21129
18k425
Twenty-One Thousand One Hundred and Twenty-Nine in Base 25 Pentavigesimal
21130
18k525
Twenty-One Thousand One Hundred and Thirty in Base 25 Pentavigesimal
21131
18k625
Twenty-One Thousand One Hundred and Thirty-One in Base 25 Pentavigesimal

Scientific Notation

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

2.1128e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000ic57jjlj28o25

The reciprocal of 21128 in Base 25 Pentavigesimal.

Palindrome?

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

The number 18k325 is not a palindrome.

Not A Prime Number

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

Twenty-one thousand one hundred and twenty-eight is a composite number with 16 total factors (including 1 and itself).   See primes in Base 25 Pentavigesimal

A Composite

Composites have more than just these two factors.

Twenty-one thousand one hundred and twenty-eight is a composite number with 16 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-one thousand one hundred and twenty-eight has the following 3 prime factors:

2
225
Two in Base 25 Pentavigesimal
19
j25
Nineteen in Base 25 Pentavigesimal
139
5e25
One Hundred and Thirty-Nine in Base 25 Pentavigesimal

Prime Factorization

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

2253 · j251 · 5e251 = 18k325

Base Conversions

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