The Number

28005

Twenty-Eight Thousand and Five

In Base 11 Undecimal Is

1a04a11

The numbers with a 11 subscript use Base 11 Undecimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

28002
1a04711
Twenty-Eight Thousand and Two in Base 11 Undecimal
28003
1a04811
Twenty-Eight Thousand and Three in Base 11 Undecimal
28004
1a04911
Twenty-Eight Thousand and Four in Base 11 Undecimal
28006
1a05011
Twenty-Eight Thousand and Six in Base 11 Undecimal
28007
1a05111
Twenty-Eight Thousand and Seven in Base 11 Undecimal
28008
1a05211
Twenty-Eight Thousand and Eight in Base 11 Undecimal

Scientific Notation

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

2.8005e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000058293422910079911

The reciprocal of 28005 in Base 11 Undecimal.

Palindrome?

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

The number 1a04a11 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 and five is a composite number with 8 total factors (including 1 and itself).   See primes in Base 11 Undecimal

A Composite

Composites have more than just these two factors.

Twenty-eight thousand and five 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 and five has the following 3 prime factors:

3
311
Three in Base 11 Undecimal
5
511
Five in Base 11 Undecimal
1867
144811
One Thousand Eight Hundred and Sixty-Seven in Base 11 Undecimal

Prime Factorization

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

3111 · 5111 · 1448111 = 1a04a11

Base Conversions

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