The Number

21028

Twenty-One Thousand and Twenty-Eight

In Base 16 Hexadecimal Is

522416

The numbers with a 16 subscript use Base 16 Hexadecimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

21025
522116
Twenty-One Thousand and Twenty-Five in Base 16 Hexadecimal
21026
522216
Twenty-One Thousand and Twenty-Six in Base 16 Hexadecimal
21027
522316
Twenty-One Thousand and Twenty-Seven in Base 16 Hexadecimal
21029
522516
Twenty-One Thousand and Twenty-Nine in Base 16 Hexadecimal
21030
522616
Twenty-One Thousand and Thirty in Base 16 Hexadecimal
21031
522716
Twenty-One Thousand and Thirty-One in Base 16 Hexadecimal

Scientific Notation

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

2.1028e4

Reciprocal

A number multiplied with its reciprocal is one.

0.00031dd9eb414d7a216

The reciprocal of 21028 in Base 16 Hexadecimal.

Palindrome?

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

The number 522416 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 and twenty-eight is a composite number with 12 total factors (including 1 and itself).   See primes in Base 16 Hexadecimal

A Composite

Composites have more than just these two factors.

Twenty-one thousand and twenty-eight is a composite number with 12 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 and twenty-eight has the following 3 prime factors:

2
216
Two in Base 16 Hexadecimal
7
716
Seven in Base 16 Hexadecimal
751
2ef16
Seven Hundred and Fifty-One in Base 16 Hexadecimal

Prime Factorization

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

2162 · 7161 · 2ef161 = 522416

Base Conversions

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