The Number

21528

Twenty-One Thousand Five Hundred and Twenty-Eight

In Base 21 Unovigesimal Is

26h321

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

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

Nearby Numbers

Positive, nonzero integers within three units

21525
26h021
Twenty-One Thousand Five Hundred and Twenty-Five in Base 21 Unovigesimal
21526
26h121
Twenty-One Thousand Five Hundred and Twenty-Six in Base 21 Unovigesimal
21527
26h221
Twenty-One Thousand Five Hundred and Twenty-Seven in Base 21 Unovigesimal
21529
26h421
Twenty-One Thousand Five Hundred and Twenty-Nine in Base 21 Unovigesimal
21530
26h521
Twenty-One Thousand Five Hundred and Thirty in Base 21 Unovigesimal
21531
26h621
Twenty-One Thousand Five Hundred and Thirty-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.

2.1528e4

Reciprocal

A number multiplied with its reciprocal is one.

0.00090ejce8b82b621

The reciprocal of 21528 in Base 21 Unovigesimal.

Palindrome?

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

The number 26h321 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 five hundred and twenty-eight is a composite number with 48 total factors (including 1 and itself).   See primes in Base 21 Unovigesimal

A Composite

Composites have more than just these two factors.

Twenty-one thousand five hundred and twenty-eight is a composite number with 48 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 five hundred and twenty-eight has the following 4 prime factors:

2
221
Two in Base 21 Unovigesimal
3
321
Three in Base 21 Unovigesimal
13
d21
Thirteen in Base 21 Unovigesimal
23
1221
Twenty-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

2213 · 3212 · d211 · 12211 = 26h321

Base Conversions

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