The Number

18909

Eightteen Thousand Nine Hundred and Nine

In Base 13 Tridecimal Is

87b713

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

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

Nearby Numbers

Positive, nonzero integers within three units

18906
87b413
Eightteen Thousand Nine Hundred and Six in Base 13 Tridecimal
18907
87b513
Eightteen Thousand Nine Hundred and Seven in Base 13 Tridecimal
18908
87b613
Eightteen Thousand Nine Hundred and Eight in Base 13 Tridecimal
18910
87b813
Eightteen Thousand Nine Hundred and Ten in Base 13 Tridecimal
18911
87b913
Eightteen Thousand Nine Hundred and Eleven in Base 13 Tridecimal
18912
87ba13
Eightteen Thousand Nine Hundred and Twelve in Base 13 Tridecimal

Scientific Notation

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

1.8909e4

Reciprocal

A number multiplied with its reciprocal is one.

0.00016835a74a6c774813

The reciprocal of 18909 in Base 13 Tridecimal.

Palindrome?

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

The number 87b713 is not a palindrome.

Not A Prime Number

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

Eightteen thousand nine hundred and nine is a composite number with 12 total factors (including 1 and itself).   See primes in Base 13 Tridecimal

A Composite

Composites have more than just these two factors.

Eightteen thousand nine hundred and nine is a composite number with 12 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 eightteen thousand nine hundred and nine has the following 3 prime factors:

3
313
Three in Base 13 Tridecimal
11
b13
Eleven in Base 13 Tridecimal
191
11913
One Hundred and Ninety-One in Base 13 Tridecimal

Prime Factorization

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

3132 · b131 · 119131 = 87b713

Base Conversions

The number eightteen thousand nine hundred and nine in 35 different bases