The Number

21028

Twenty-One Thousand and Twenty-Eight

In Base 5 Quinary Is

11331035

The numbers with a 5 subscript use Base 5 Quinary 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
11331005
Twenty-One Thousand and Twenty-Five in Base 5 Quinary
21026
11331015
Twenty-One Thousand and Twenty-Six in Base 5 Quinary
21027
11331025
Twenty-One Thousand and Twenty-Seven in Base 5 Quinary
21029
11331045
Twenty-One Thousand and Twenty-Nine in Base 5 Quinary
21030
11331105
Twenty-One Thousand and Thirty in Base 5 Quinary
21031
11331115
Twenty-One Thousand and Thirty-One in Base 5 Quinary

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.

0.000000332420112440111122044125

The reciprocal of 21028 in Base 5 Quinary.

Palindrome?

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

The number 11331035 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 5 Quinary

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
25
Two in Base 5 Quinary
7
125
Seven in Base 5 Quinary
751
110015
Seven Hundred and Fifty-One in Base 5 Quinary

Prime Factorization

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

252 · 1251 · 1100151 = 11331035

Base Conversions

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