The Number

1005

One Thousand and Five

Nearby Numbers

Positive, nonzero integers within three units

1002
One Thousand and Two
1003
One Thousand and Three
1004
One Thousand and Four
1006
One Thousand and Six
1007
One Thousand and Seven
1008
One Thousand and Eight

Scientific Notation

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

1.005e3

Reciprocal

A number multiplied with its reciprocal is one.

0.0009950248756218905

The reciprocal of 1005.

Palindrome?

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

The number 1005 is not a palindrome.

Not A Prime Number

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

One thousand and five is a composite number with 8 total factors (including 1 and itself).   See primes in Base 10 Decimal

A Composite

Composites have more than just these two factors.

One 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 one thousand and five has the following 3 prime factors:

3
Three
5
Five
67
Sixty-Seven

Prime Factorization

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

31 · 51 · 671 = 1005

Base Conversions

The number one thousand and five in 35 different bases