The Number

209805

Two Hundred and Nine Thousand Eight Hundred and Five

In Base 13 Tridecimal Is

7465b13

The numbers with a 13 subscript use Base 13 Tridecimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

209802
7465813
Two Hundred and Nine Thousand Eight Hundred and Two in Base 13 Tridecimal
209803
7465913
Two Hundred and Nine Thousand Eight Hundred and Three in Base 13 Tridecimal
209804
7465a13
Two Hundred and Nine Thousand Eight Hundred and Four in Base 13 Tridecimal
209806
7465c13
Two Hundred and Nine Thousand Eight Hundred and Six in Base 13 Tridecimal
209807
7466013
Two Hundred and Nine Thousand Eight Hundred and Seven in Base 13 Tridecimal
209808
7466113
Two Hundred and Nine Thousand Eight Hundred and Eight in Base 13 Tridecimal

Scientific Notation

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

2.09805e5

Reciprocal

A number multiplied with its reciprocal is one.

0.00001a01071cc9a0c1413

The reciprocal of 209805 in Base 13 Tridecimal.

Palindrome?

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

The number 7465b13 is not a palindrome.

Not A Prime Number

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

Two hundred and nine thousand eight hundred and five is a composite number with 16 total factors (including 1 and itself).   See primes in Base 13 Tridecimal

A Composite

Composites have more than just these two factors.

Two hundred and nine thousand eight hundred and five is a composite number with 16 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 two hundred and nine thousand eight hundred and five has the following 4 prime factors:

3
313
Three in Base 13 Tridecimal
5
513
Five in Base 13 Tridecimal
71
5613
Seventy-One in Base 13 Tridecimal
197
12213
One Hundred and Ninety-Seven in Base 13 Tridecimal

Prime Factorization

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

3131 · 5131 · 56131 · 122131 = 7465b13

Base Conversions

The number two hundred and nine thousand eight hundred and five in 35 different bases