The Number

21001

Twenty-One Thousand and One

In Base 5 Quinary Is

11330015

The numbers with a 5 subscript use Base 5 Quinary notation.

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

Nearby Numbers

Positive, nonzero integers within three units

20998
11324435
Twenty Thousand Nine Hundred and Ninety-Eight in Base 5 Quinary
20999
11324445
Twenty Thousand Nine Hundred and Ninety-Nine in Base 5 Quinary
21000
11330005
Twenty-One Thousand in Base 5 Quinary
21002
11330025
Twenty-One Thousand and Two in Base 5 Quinary
21003
11330035
Twenty-One Thousand and Three in Base 5 Quinary
21004
11330045
Twenty-One Thousand and Four in Base 5 Quinary

Scientific Notation

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

2.1001e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000000333000043401011021413245

The reciprocal of 21001 in Base 5 Quinary.

Palindrome?

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

The number 11330015 is not a palindrome.

A Prime Number

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

Twenty-one thousand and one is the 2361st prime number.   See primes in Base 5 Quinary

Not A Composite

Composites have more than just these two factors.

Twenty-One Thousand and One is not a composite number because it has exactly two factors: One and Twenty-One 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 twenty-one thousand and one has the following 1 prime factor:

21001
11330015
Twenty-One Thousand and One in Base 5 Quinary

Prime Factorization

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

113300151 = 11330015

Base Conversions

The number twenty-one thousand and one in 35 different bases