The Number

28509

Twenty-Eight Thousand Five Hundred and Nine

In Base 25 Pentavigesimal Is

1kf925

The numbers with a 25 subscript use Base 25 Pentavigesimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

28506
1kf625
Twenty-Eight Thousand Five Hundred and Six in Base 25 Pentavigesimal
28507
1kf725
Twenty-Eight Thousand Five Hundred and Seven in Base 25 Pentavigesimal
28508
1kf825
Twenty-Eight Thousand Five Hundred and Eight in Base 25 Pentavigesimal
28510
1kfa25
Twenty-Eight Thousand Five Hundred and Ten in Base 25 Pentavigesimal
28511
1kfb25
Twenty-Eight Thousand Five Hundred and Eleven in Base 25 Pentavigesimal
28512
1kfc25
Twenty-Eight Thousand Five Hundred and Twelve in Base 25 Pentavigesimal

Scientific Notation

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

2.8509e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000dhdfkm28h4j25

The reciprocal of 28509 in Base 25 Pentavigesimal.

Palindrome?

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

The number 1kf925 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 nine is a composite number with 16 total factors (including 1 and itself).   See primes in Base 25 Pentavigesimal

A Composite

Composites have more than just these two factors.

Twenty-eight thousand five hundred and nine 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 five hundred and nine has the following 4 prime factors:

3
325
Three in Base 25 Pentavigesimal
13
d25
Thirteen in Base 25 Pentavigesimal
17
h25
Seventeen in Base 25 Pentavigesimal
43
1i25
Forty-Three in Base 25 Pentavigesimal

Prime Factorization

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

3251 · d251 · h251 · 1i251 = 1kf925

Base Conversions

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