The Number

21009

Twenty-One Thousand and Nine

In Base 30 Trigesimal Is

na930

The numbers with a 30 subscript use Base 30 Trigesimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

21006
na630
Twenty-One Thousand and Six in Base 30 Trigesimal
21007
na730
Twenty-One Thousand and Seven in Base 30 Trigesimal
21008
na830
Twenty-One Thousand and Eight in Base 30 Trigesimal
21010
naa30
Twenty-One Thousand and Ten in Base 30 Trigesimal
21011
nab30
Twenty-One Thousand and Eleven in Base 30 Trigesimal
21012
nac30
Twenty-One Thousand and Twelve in Base 30 Trigesimal

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.

0.0018gjcd2ek1630

The reciprocal of 21009 in Base 30 Trigesimal.

Palindrome?

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

The number na930 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 30 Trigesimal

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
330
Three in Base 30 Trigesimal
47
1h30
Forty-Seven in Base 30 Trigesimal
149
4t30
One Hundred and Forty-Nine in Base 30 Trigesimal

Prime Factorization

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

3301 · 1h301 · 4t301 = na930

Base Conversions

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