The Number

12805

Twelve Thousand Eight Hundred and Five

Nearby Numbers

Positive, nonzero integers within three units

12802
Twelve Thousand Eight Hundred and Two
12803
Twelve Thousand Eight Hundred and Three
12804
Twelve Thousand Eight Hundred and Four
12806
Twelve Thousand Eight Hundred and Six
12807
Twelve Thousand Eight Hundred and Seven
12808
Twelve Thousand Eight Hundred and Eight

Scientific Notation

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

1.2805e4

Reciprocal

A number multiplied with its reciprocal is one.

0.00007809449433814917

The reciprocal of 12805.

Palindrome?

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

The number 12805 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 five 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 five 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 five has the following 3 prime factors:

5
Five
13
Thirteen
197
One Hundred and Ninety-Seven

Prime Factorization

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

51 · 131 · 1971 = 12805

Base Conversions

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