The Number

12815

Twelve Thousand Eight Hundred and Fifteen

In Base 18 Octodecimal Is

239h18

The numbers with a 18 subscript use Base 18 Octodecimal notation.

For more familiar numbers: See Twelve Thousand Eight Hundred and Fifteen in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

12812
239e18
Twelve Thousand Eight Hundred and Twelve in Base 18 Octodecimal
12813
239f18
Twelve Thousand Eight Hundred and Thirteen in Base 18 Octodecimal
12814
239g18
Twelve Thousand Eight Hundred and Fourteen in Base 18 Octodecimal
12816
23a018
Twelve Thousand Eight Hundred and Sixteen in Base 18 Octodecimal
12817
23a118
Twelve Thousand Eight Hundred and Seventeen in Base 18 Octodecimal
12818
23a218
Twelve Thousand Eight Hundred and Eightteen in Base 18 Octodecimal

Scientific Notation

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

1.2815e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0008381cc8bh01e818

The reciprocal of 12815 in Base 18 Octodecimal.

Palindrome?

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

The number 239h18 is not a palindrome.

Not A Prime Number

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

Twelve thousand eight hundred and fifteen is a composite number with 8 total factors (including 1 and itself).   See primes in Base 18 Octodecimal

A Composite

Composites have more than just these two factors.

Twelve thousand eight hundred and fifteen 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 twelve thousand eight hundred and fifteen has the following 3 prime factors:

5
518
Five in Base 18 Octodecimal
11
b18
Eleven in Base 18 Octodecimal
233
ch18
Two Hundred and Thirty-Three in Base 18 Octodecimal

Prime Factorization

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

5181 · b181 · ch181 = 239h18

Base Conversions

The number twelve thousand eight hundred and fifteen in 35 different bases