The Number

28907

Twenty-Eight Thousand Nine Hundred and Seven

In Base 21 Unovigesimal Is

32bb21

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

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

Nearby Numbers

Positive, nonzero integers within three units

28904
32b821
Twenty-Eight Thousand Nine Hundred and Four in Base 21 Unovigesimal
28905
32b921
Twenty-Eight Thousand Nine Hundred and Five in Base 21 Unovigesimal
28906
32ba21
Twenty-Eight Thousand Nine Hundred and Six in Base 21 Unovigesimal
28908
32bc21
Twenty-Eight Thousand Nine Hundred and Eight in Base 21 Unovigesimal
28909
32bd21
Twenty-Eight Thousand Nine Hundred and Nine in Base 21 Unovigesimal
28910
32be21
Twenty-Eight Thousand Nine 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.

2.8907e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0006f5k6b60d1i9c21

The reciprocal of 28907 in Base 21 Unovigesimal.

Palindrome?

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

The number 32bb21 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 nine 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 nine 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 nine hundred and seven has the following 2 prime factors:

137
6b21
One Hundred and Thirty-Seven in Base 21 Unovigesimal
211
a121
Two Hundred and Eleven in Base 21 Unovigesimal

Prime Factorization

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

6b211 · a1211 = 32bb21

Base Conversions

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