The Number

21028

Twenty-One Thousand and Twenty-Eight

In Base 4 Quaternary Is

110202104

The numbers with a 4 subscript use Base 4 Quaternary 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
110202014
Twenty-One Thousand and Twenty-Five in Base 4 Quaternary
21026
110202024
Twenty-One Thousand and Twenty-Six in Base 4 Quaternary
21027
110202034
Twenty-One Thousand and Twenty-Seven in Base 4 Quaternary
21029
110202114
Twenty-One Thousand and Twenty-Nine in Base 4 Quaternary
21030
110202124
Twenty-One Thousand and Thirty in Base 4 Quaternary
21031
110202134
Twenty-One Thousand and Thirty-One in Base 4 Quaternary

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.

0.00000003013131213223100110311322024

The reciprocal of 21028 in Base 4 Quaternary.

Palindrome?

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

The number 110202104 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 4 Quaternary

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
24
Two in Base 4 Quaternary
7
134
Seven in Base 4 Quaternary
751
232334
Seven Hundred and Fifty-One in Base 4 Quaternary

Prime Factorization

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

242 · 1341 · 2323341 = 110202104

Base Conversions

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