The Number

1001

One Thousand and One

In Base 20 Vigesimal Is

2a120

The numbers with a 20 subscript use Base 20 Vigesimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

998
29i20
Nine Hundred and Ninety-Eight in Base 20 Vigesimal
999
29j20
Nine Hundred and Ninety-Nine in Base 20 Vigesimal
1000
2a020
One Thousand in Base 20 Vigesimal
1002
2a220
One Thousand and Two in Base 20 Vigesimal
1003
2a320
One Thousand and Three in Base 20 Vigesimal
1004
2a420
One Thousand and Four in Base 20 Vigesimal

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.

0.007jgg15b9f81gg20

The reciprocal of 1001 in Base 20 Vigesimal.

Palindrome?

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

The number 2a120 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 20 Vigesimal

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
720
Seven in Base 20 Vigesimal
11
b20
Eleven in Base 20 Vigesimal
13
d20
Thirteen in Base 20 Vigesimal

Prime Factorization

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

7201 · b201 · d201 = 2a120

Base Conversions

The number one thousand and one in 35 different bases