The Number

1001

One Thousand and One

In Base 18 Octodecimal Is

31b18

The numbers with a 18 subscript use Base 18 Octodecimal notation.

For more familiar numbers: See One Thousand and One in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

998
31818
Nine Hundred and Ninety-Eight in Base 18 Octodecimal
999
31918
Nine Hundred and Ninety-Nine in Base 18 Octodecimal
1000
31a18
One Thousand in Base 18 Octodecimal
1002
31c18
One Thousand and Two in Base 18 Octodecimal
1003
31d18
One Thousand and Three in Base 18 Octodecimal
1004
31e18
One Thousand and Four in Base 18 Octodecimal

Scientific Notation

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

1.001e3

Reciprocal

A number multiplied with its reciprocal is one.

0.005efc47b45683c18

The reciprocal of 1001 in Base 18 Octodecimal.

Palindrome?

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

The number 31b18 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 one is a composite number with 8 total factors (including 1 and itself).   See primes in Base 18 Octodecimal

A Composite

Composites have more than just these two factors.

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

7
718
Seven in Base 18 Octodecimal
11
b18
Eleven in Base 18 Octodecimal
13
d18
Thirteen in Base 18 Octodecimal

Prime Factorization

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

7181 · b181 · d181 = 31b18

Base Conversions

The number one thousand and one in 35 different bases