The Number

20509

Twenty Thousand Five Hundred and Nine

In Base 12 Duodecimal Is

ba5112

The numbers with a 12 subscript use Base 12 Duodecimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

20506
ba4a12
Twenty Thousand Five Hundred and Six in Base 12 Duodecimal
20507
ba4b12
Twenty Thousand Five Hundred and Seven in Base 12 Duodecimal
20508
ba5012
Twenty Thousand Five Hundred and Eight in Base 12 Duodecimal
20510
ba5212
Twenty Thousand Five Hundred and Ten in Base 12 Duodecimal
20511
ba5312
Twenty Thousand Five Hundred and Eleven in Base 12 Duodecimal
20512
ba5412
Twenty Thousand Five Hundred and Twelve in Base 12 Duodecimal

Scientific Notation

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

2.0509e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0001017161974099b5912

The reciprocal of 20509 in Base 12 Duodecimal.

Palindrome?

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

The number ba5112 is not a palindrome.

A Prime Number

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

Twenty thousand five hundred and nine is the 2315th prime number.   See primes in Base 12 Duodecimal

Not A Composite

Composites have more than just these two factors.

Twenty Thousand Five Hundred and Nine is not a composite number because it has exactly two factors: One and Twenty Thousand Five Hundred and Nine

Prime Factors

The prime factors of a positive integer are the integers that divide it exactly and are also prime.

The number twenty thousand five hundred and nine has the following 1 prime factor:

20509
ba5112
Twenty Thousand Five Hundred and Nine in Base 12 Duodecimal

Prime Factorization

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

ba51121 = ba5112

Base Conversions

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