The Number

21009

Twenty-One Thousand and Nine

In Base 17 Septendecimal Is

44be17

The numbers with a 17 subscript use Base 17 Septendecimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

21006
44bb17
Twenty-One Thousand and Six in Base 17 Septendecimal
21007
44bc17
Twenty-One Thousand and Seven in Base 17 Septendecimal
21008
44bd17
Twenty-One Thousand and Eight in Base 17 Septendecimal
21010
44bf17
Twenty-One Thousand and Ten in Base 17 Septendecimal
21011
44bg17
Twenty-One Thousand and Eleven in Base 17 Septendecimal
21012
44c017
Twenty-One Thousand and Twelve in Base 17 Septendecimal

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.

0.0003g9f9aa777db0917

The reciprocal of 21009 in Base 17 Septendecimal.

Palindrome?

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

The number 44be17 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 17 Septendecimal

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
317
Three in Base 17 Septendecimal
47
2d17
Forty-Seven in Base 17 Septendecimal
149
8d17
One Hundred and Forty-Nine in Base 17 Septendecimal

Prime Factorization

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

3171 · 2d171 · 8d171 = 44be17

Base Conversions

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