The Number

21909

Twenty-One Thousand Nine Hundred and Nine

In Base 3 Ternary Is

10100011103

The numbers with a 3 subscript use Base 3 Ternary notation.

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

Nearby Numbers

Positive, nonzero integers within three units

21906
10100011003
Twenty-One Thousand Nine Hundred and Six in Base 3 Ternary
21907
10100011013
Twenty-One Thousand Nine Hundred and Seven in Base 3 Ternary
21908
10100011023
Twenty-One Thousand Nine Hundred and Eight in Base 3 Ternary
21910
10100011113
Twenty-One Thousand Nine Hundred and Ten in Base 3 Ternary
21911
10100011123
Twenty-One Thousand Nine Hundred and Eleven in Base 3 Ternary
21912
10100011203
Twenty-One Thousand Nine Hundred and Twelve in Base 3 Ternary

Scientific Notation

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

2.1909e4

Reciprocal

A number multiplied with its reciprocal is one.

0.00000000022002022101111101122200112210213

The reciprocal of 21909 in Base 3 Ternary.

Palindrome?

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

The number 10100011103 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 nine hundred and nine is a composite number with 8 total factors (including 1 and itself).   See primes in Base 3 Ternary

A Composite

Composites have more than just these two factors.

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

3
103
Three in Base 3 Ternary
67
21113
Sixty-Seven in Base 3 Ternary
109
110013
One Hundred and Nine in Base 3 Ternary

Prime Factorization

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

1031 · 211131 · 1100131 = 10100011103

Base Conversions

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