The Number

28609

Twenty-Eight Thousand Six Hundred and Nine

In Base 21 Unovigesimal Is

31i721

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

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

Nearby Numbers

Positive, nonzero integers within three units

28606
31i421
Twenty-Eight Thousand Six Hundred and Six in Base 21 Unovigesimal
28607
31i521
Twenty-Eight Thousand Six Hundred and Seven in Base 21 Unovigesimal
28608
31i621
Twenty-Eight Thousand Six Hundred and Eight in Base 21 Unovigesimal
28610
31i821
Twenty-Eight Thousand Six Hundred and Ten in Base 21 Unovigesimal
28611
31i921
Twenty-Eight Thousand Six Hundred and Eleven in Base 21 Unovigesimal
28612
31ia21
Twenty-Eight Thousand Six Hundred and Twelve in Base 21 Unovigesimal

Scientific Notation

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

2.8609e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0006gfi6biika48a21

The reciprocal of 28609 in Base 21 Unovigesimal.

Palindrome?

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

The number 31i721 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 six hundred and nine is a composite number with 8 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 six hundred and nine is a composite number with 8 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 six hundred and nine has the following 3 prime factors:

7
721
Seven in Base 21 Unovigesimal
61
2j21
Sixty-One in Base 21 Unovigesimal
67
3421
Sixty-Seven in Base 21 Unovigesimal

Prime Factorization

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

7211 · 2j211 · 34211 = 31i721

Base Conversions

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