The Number

28421

Twenty-Eight Thousand Four Hundred and Twenty-One

In Base 21 Unovigesimal Is

319821

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

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

Nearby Numbers

Positive, nonzero integers within three units

28418
319521
Twenty-Eight Thousand Four Hundred and Eightteen in Base 21 Unovigesimal
28419
319621
Twenty-Eight Thousand Four Hundred and Nineteen in Base 21 Unovigesimal
28420
319721
Twenty-Eight Thousand Four Hundred and Twenty in Base 21 Unovigesimal
28422
319921
Twenty-Eight Thousand Four Hundred and Twenty-Two in Base 21 Unovigesimal
28423
319a21
Twenty-Eight Thousand Four Hundred and Twenty-Three in Base 21 Unovigesimal
28424
319b21
Twenty-Eight Thousand Four Hundred and Twenty-Four in Base 21 Unovigesimal

Scientific Notation

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

2.8421e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0006heefg5j2a14g21

The reciprocal of 28421 in Base 21 Unovigesimal.

Palindrome?

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

The number 319821 is not a palindrome.

Not A Prime Number

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

Twenty-eight thousand four hundred and twenty-one is a composite number with 4 total factors (including 1 and itself).   See primes in Base 21 Unovigesimal

A Composite

Composites have more than just these two factors.

Twenty-eight thousand four hundred and twenty-one is a composite number with 4 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-eight thousand four hundred and twenty-one has the following 2 prime factors:

97
4d21
Ninety-Seven in Base 21 Unovigesimal
293
dk21
Two Hundred and Ninety-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

4d211 · dk211 = 319821

Base Conversions

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