The Number

1001

One Thousand and One

In Base 11 Undecimal Is

83011

The numbers with a 11 subscript use Base 11 Undecimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

998
82811
Nine Hundred and Ninety-Eight in Base 11 Undecimal
999
82911
Nine Hundred and Ninety-Nine in Base 11 Undecimal
1000
82a11
One Thousand in Base 11 Undecimal
1002
83111
One Thousand and Two in Base 11 Undecimal
1003
83211
One Thousand and Three in Base 11 Undecimal
1004
83311
One Thousand and Four in Base 11 Undecimal

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.

0.00136987810a70136a11

The reciprocal of 1001 in Base 11 Undecimal.

Palindrome?

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

The number 83011 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 11 Undecimal

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
711
Seven in Base 11 Undecimal
11
1011
Eleven in Base 11 Undecimal
13
1211
Thirteen in Base 11 Undecimal

Prime Factorization

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

7111 · 10111 · 12111 = 83011

Base Conversions

The number one thousand and one in 35 different bases