The Number

28509

Twenty-Eight Thousand Five Hundred and Nine

In Base 12 Duodecimal Is

145b912

The numbers with a 12 subscript use Base 12 Duodecimal 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
145b612
Twenty-Eight Thousand Five Hundred and Six in Base 12 Duodecimal
28507
145b712
Twenty-Eight Thousand Five Hundred and Seven in Base 12 Duodecimal
28508
145b812
Twenty-Eight Thousand Five Hundred and Eight in Base 12 Duodecimal
28510
145ba12
Twenty-Eight Thousand Five Hundred and Ten in Base 12 Duodecimal
28511
145bb12
Twenty-Eight Thousand Five Hundred and Eleven in Base 12 Duodecimal
28512
1460012
Twenty-Eight Thousand Five Hundred and Twelve in Base 12 Duodecimal

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.

0.0000888a392b717690612

The reciprocal of 28509 in Base 12 Duodecimal.

Palindrome?

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

The number 145b912 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 12 Duodecimal

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
312
Three in Base 12 Duodecimal
13
1112
Thirteen in Base 12 Duodecimal
17
1512
Seventeen in Base 12 Duodecimal
43
3712
Forty-Three in Base 12 Duodecimal

Prime Factorization

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

3121 · 11121 · 15121 · 37121 = 145b912

Base Conversions

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