The Number

2003

Two Thousand and Three

Nearby Numbers

Positive, nonzero integers within three units

2000
Two Thousand
2001
Two Thousand and One
2002
Two Thousand and Two
2004
Two Thousand and Four
2005
Two Thousand and Five
2006
Two Thousand and Six

Scientific Notation

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

2.003e3

Reciprocal

A number multiplied with its reciprocal is one.

0.0004992511233150275

The reciprocal of 2003.

Palindrome?

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

The number 2003 is not a palindrome.

A Prime Number

A prime number is a positive integer that is divisible only by itself and one.

Two thousand and three is the 304th prime number.   See primes in Base 10 Decimal

Not A Composite

Composites have more than just these two factors.

Two Thousand and Three is not a composite number because it has exactly two factors: One and Two Thousand and Three

Prime Factors

The prime factors of a positive integer are the integers that divide it exactly and are also prime.

The number two thousand and three has the following 1 prime factor:

2003
Two Thousand and Three

Prime Factorization

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

20031 = 2003

Base Conversions

The number two thousand and three in 35 different bases