The Number

28021

Twenty-Eight Thousand and Twenty-One

In Base 19 Nonadecimal Is

41bf19

The numbers with a 19 subscript use Base 19 Nonadecimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

28018
41bc19
Twenty-Eight Thousand and Eightteen in Base 19 Nonadecimal
28019
41bd19
Twenty-Eight Thousand and Nineteen in Base 19 Nonadecimal
28020
41be19
Twenty-Eight Thousand and Twenty in Base 19 Nonadecimal
28022
41bg19
Twenty-Eight Thousand and Twenty-Two in Base 19 Nonadecimal
28023
41bh19
Twenty-Eight Thousand and Twenty-Three in Base 19 Nonadecimal
28024
41bi19
Twenty-Eight Thousand and Twenty-Four in Base 19 Nonadecimal

Scientific Notation

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

2.8021e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0004c6i14d2gead219

The reciprocal of 28021 in Base 19 Nonadecimal.

Palindrome?

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

The number 41bf19 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 and twenty-one is a composite number with 4 total factors (including 1 and itself).   See primes in Base 19 Nonadecimal

A Composite

Composites have more than just these two factors.

Twenty-eight thousand 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 and twenty-one has the following 2 prime factors:

7
719
Seven in Base 19 Nonadecimal
4003
b1d19
Four Thousand and Three in Base 19 Nonadecimal

Prime Factorization

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

7191 · b1d191 = 41bf19

Base Conversions

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