Nearby Numbers

Positive, nonzero integers within three units

28005

Twenty-Eight Thousand and Five

28006

Twenty-Eight Thousand and Six

28007

Twenty-Eight Thousand and Seven

28009

Twenty-Eight Thousand and Nine

28010

Twenty-Eight Thousand and Ten

28011

Twenty-Eight Thousand and Eleven

Scientific Notation

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

2.8008e4

Reciprocal

A number multiplied with its reciprocal is one.

0.00003570408454727221

The reciprocal of 28008.

Palindrome?

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

The number 28008 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 eight is a composite number with 24 total factors (including 1 and itself).   See primes in Base 10 Decimal

A Composite

Composites have more than just these two factors.

Twenty-eight thousand and eight is a composite number with 24 total factors (including 1 and itself).

Prime Factors

2

Two

3

Three

389

Three Hundred and Eighty-Nine

Prime Factorization

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

23 · 32 · 3891 = 28008

Base Conversions

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