The Number

1001

One Thousand and One

In Base 22 Duovigesimal Is

21b22

The numbers with a 22 subscript use Base 22 Duovigesimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

998
21822
Nine Hundred and Ninety-Eight in Base 22 Duovigesimal
999
21922
Nine Hundred and Ninety-Nine in Base 22 Duovigesimal
1000
21a22
One Thousand in Base 22 Duovigesimal
1002
21c22
One Thousand and Two in Base 22 Duovigesimal
1003
21d22
One Thousand and Three in Base 22 Duovigesimal
1004
21e22
One Thousand and Four in Base 22 Duovigesimal

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.

0.00ae0ae0ae0ae22

The reciprocal of 1001 in Base 22 Duovigesimal.

Palindrome?

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

The number 21b22 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 22 Duovigesimal

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
722
Seven in Base 22 Duovigesimal
11
b22
Eleven in Base 22 Duovigesimal
13
d22
Thirteen in Base 22 Duovigesimal

Prime Factorization

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

7221 · b221 · d221 = 21b22

Base Conversions

The number one thousand and one in 35 different bases