The Number

4001

Four Thousand and One

In Base 20 Vigesimal Is

a0120

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

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

Nearby Numbers

Positive, nonzero integers within three units

3998
9ji20
Three Thousand Nine Hundred and Ninety-Eight in Base 20 Vigesimal
3999
9jj20
Three Thousand Nine Hundred and Ninety-Nine in Base 20 Vigesimal
4000
a0020
Four Thousand in Base 20 Vigesimal
4002
a0220
Four Thousand and Two in Base 20 Vigesimal
4003
a0320
Four Thousand and Three in Base 20 Vigesimal
4004
a0420
Four 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.

4.001e3

Reciprocal

A number multiplied with its reciprocal is one.

0.001jjg007jj401e20

The reciprocal of 4001 in Base 20 Vigesimal.

Palindrome?

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

The number a0120 is not a palindrome.

A Prime Number

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

Four thousand and one is the 551st prime number.   See primes in Base 20 Vigesimal

Not A Composite

Composites have more than just these two factors.

Four Thousand and One is not a composite number because it has exactly two factors: One and Four Thousand and One

Prime Factors

The prime factors of a positive integer are the integers that divide it exactly and are also prime.

The number four thousand and one has the following 1 prime factor:

4001
a0120
Four Thousand and One in Base 20 Vigesimal

Prime Factorization

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

a01201 = a0120

Base Conversions

The number four thousand and one in 35 different bases