Nearby Numbers

Positive, nonzero integers within three units

28001

Twenty-Eight Thousand and One

28002

Twenty-Eight Thousand and Two

28003

Twenty-Eight Thousand and Three

28005

Twenty-Eight Thousand and Five

28006

Twenty-Eight Thousand and Six

28007

Twenty-Eight Thousand and Seven

Scientific Notation

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

2.8004e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000035709184402228255

The reciprocal of 28004.

Palindrome?

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

The number 28004 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 four is a composite number with 6 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 four is a composite number with 6 total factors (including 1 and itself).

Prime Factors

2

Two

7001

Seven Thousand and One

Prime Factorization

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

22 · 70011 = 28004

Base Conversions

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