The Number

21828

Twenty-One Thousand Eight Hundred and Twenty-Eight

In Base 20 Vigesimal Is

2eb820

The numbers with a 20 subscript use Base 20 Vigesimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

21825
2eb520
Twenty-One Thousand Eight Hundred and Twenty-Five in Base 20 Vigesimal
21826
2eb620
Twenty-One Thousand Eight Hundred and Twenty-Six in Base 20 Vigesimal
21827
2eb720
Twenty-One Thousand Eight Hundred and Twenty-Seven in Base 20 Vigesimal
21829
2eb920
Twenty-One Thousand Eight Hundred and Twenty-Nine in Base 20 Vigesimal
21830
2eba20
Twenty-One Thousand Eight Hundred and Thirty in Base 20 Vigesimal
21831
2ebb20
Twenty-One Thousand Eight Hundred and Thirty-One in Base 20 Vigesimal

Scientific Notation

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

2.1828e4

Reciprocal

A number multiplied with its reciprocal is one.

0.00076c05b86c4db20

The reciprocal of 21828 in Base 20 Vigesimal.

Palindrome?

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

The number 2eb820 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 eight hundred and twenty-eight is a composite number with 24 total factors (including 1 and itself).   See primes in Base 20 Vigesimal

A Composite

Composites have more than just these two factors.

Twenty-one thousand eight hundred and twenty-eight is a composite number with 24 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 eight hundred and twenty-eight has the following 4 prime factors:

2
220
Two in Base 20 Vigesimal
3
320
Three in Base 20 Vigesimal
17
h20
Seventeen in Base 20 Vigesimal
107
5720
One Hundred and Seven in Base 20 Vigesimal

Prime Factorization

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

2202 · 3201 · h201 · 57201 = 2eb820

Base Conversions

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