The Number

21509

Twenty-One Thousand Five Hundred and Nine

In Base 3 Ternary Is

10021111223

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

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

Nearby Numbers

Positive, nonzero integers within three units

21506
10021111123
Twenty-One Thousand Five Hundred and Six in Base 3 Ternary
21507
10021111203
Twenty-One Thousand Five Hundred and Seven in Base 3 Ternary
21508
10021111213
Twenty-One Thousand Five Hundred and Eight in Base 3 Ternary
21510
10021112003
Twenty-One Thousand Five Hundred and Ten in Base 3 Ternary
21511
10021112013
Twenty-One Thousand Five Hundred and Eleven in Base 3 Ternary
21512
10021112023
Twenty-One Thousand Five 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.

2.1509e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0000000002202010100001102201222001202020213

The reciprocal of 21509 in Base 3 Ternary.

Palindrome?

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

The number 10021111223 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 five hundred and nine is a composite number with 4 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 five hundred and nine is a composite number with 4 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 five hundred and nine has the following 2 prime factors:

137
120023
One Hundred and Thirty-Seven in Base 3 Ternary
157
122113
One Hundred and Fifty-Seven in Base 3 Ternary

Prime Factorization

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

1200231 · 1221131 = 10021111223

Base Conversions

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