The Number

28040

Twenty-Eight Thousand and Forty

In Base 21 Unovigesimal Is

30c521

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

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

Nearby Numbers

Positive, nonzero integers within three units

28037
30c221
Twenty-Eight Thousand and Thirty-Seven in Base 21 Unovigesimal
28038
30c321
Twenty-Eight Thousand and Thirty-Eight in Base 21 Unovigesimal
28039
30c421
Twenty-Eight Thousand and Thirty-Nine in Base 21 Unovigesimal
28041
30c621
Twenty-Eight Thousand and Forty-One in Base 21 Unovigesimal
28042
30c721
Twenty-Eight Thousand and Forty-Two in Base 21 Unovigesimal
28043
30c821
Twenty-Eight Thousand and Forty-Three in Base 21 Unovigesimal

Scientific Notation

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

2.8040e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0006jdeh8hcci4ad21

The reciprocal of 28040 in Base 21 Unovigesimal.

Palindrome?

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

The number 30c521 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 forty is a composite number with 16 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 and forty is a composite number with 16 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 forty has the following 3 prime factors:

2
221
Two in Base 21 Unovigesimal
5
521
Five in Base 21 Unovigesimal
701
1c821
Seven Hundred and One in Base 21 Unovigesimal

Prime Factorization

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

2213 · 5211 · 1c8211 = 30c521

Base Conversions

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