The Number

28507

Twenty-Eight Thousand Five Hundred and Seven

In Base 21 Unovigesimal Is

31da21

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

For more familiar numbers: See Twenty-Eight Thousand Five Hundred and Seven in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

28504
31d721
Twenty-Eight Thousand Five Hundred and Four in Base 21 Unovigesimal
28505
31d821
Twenty-Eight Thousand Five Hundred and Five in Base 21 Unovigesimal
28506
31d921
Twenty-Eight Thousand Five Hundred and Six in Base 21 Unovigesimal
28508
31db21
Twenty-Eight Thousand Five Hundred and Eight in Base 21 Unovigesimal
28509
31dc21
Twenty-Eight Thousand Five Hundred and Nine in Base 21 Unovigesimal
28510
31dd21
Twenty-Eight Thousand Five Hundred and Ten in Base 21 Unovigesimal

Scientific Notation

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

2.8507e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0006h5cbki3bb49c21

The reciprocal of 28507 in Base 21 Unovigesimal.

Palindrome?

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

The number 31da21 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 five hundred and seven is a composite number with 4 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 five hundred and seven 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 five hundred and seven has the following 2 prime factors:

29
1821
Twenty-Nine in Base 21 Unovigesimal
983
24h21
Nine Hundred and Eighty-Three in Base 21 Unovigesimal

Prime Factorization

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

18211 · 24h211 = 31da21

Base Conversions

The number twenty-eight thousand five hundred and seven in 35 different bases