The Number

12815

Twelve Thousand Eight Hundred and Fifteen

Nearby Numbers

Positive, nonzero integers within three units

12812
Twelve Thousand Eight Hundred and Twelve
12813
Twelve Thousand Eight Hundred and Thirteen
12814
Twelve Thousand Eight Hundred and Fourteen
12816
Twelve Thousand Eight Hundred and Sixteen
12817
Twelve Thousand Eight Hundred and Seventeen
12818
Twelve Thousand Eight Hundred and Eightteen

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.

0.00007803355442840422

The reciprocal of 12815.

Palindrome?

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

The number 12815 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 10 Decimal

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
Five
11
Eleven
233
Two Hundred and Thirty-Three

Prime Factorization

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

51 · 111 · 2331 = 12815

Base Conversions

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