The Number

21009

Twenty-One Thousand and Nine

In Base 4 Quaternary Is

110201014

The numbers with a 4 subscript use Base 4 Quaternary notation.

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

Nearby Numbers

Positive, nonzero integers within three units

21006
110200324
Twenty-One Thousand and Six in Base 4 Quaternary
21007
110200334
Twenty-One Thousand and Seven in Base 4 Quaternary
21008
110201004
Twenty-One Thousand and Eight in Base 4 Quaternary
21010
110201024
Twenty-One Thousand and Ten in Base 4 Quaternary
21011
110201034
Twenty-One Thousand and Eleven in Base 4 Quaternary
21012
110201104
Twenty-One Thousand and Twelve in Base 4 Quaternary

Scientific Notation

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

2.1009e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000000030132210222030221012131024

The reciprocal of 21009 in Base 4 Quaternary.

Palindrome?

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

The number 110201014 is not a palindrome.

Not A Prime Number

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

Twenty-one thousand and nine is a composite number with 8 total factors (including 1 and itself).   See primes in Base 4 Quaternary

A Composite

Composites have more than just these two factors.

Twenty-one thousand and nine 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 twenty-one thousand and nine has the following 3 prime factors:

3
34
Three in Base 4 Quaternary
47
2334
Forty-Seven in Base 4 Quaternary
149
21114
One Hundred and Forty-Nine in Base 4 Quaternary

Prime Factorization

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

341 · 23341 · 211141 = 110201014

Base Conversions

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