The Number

12840

Twelve Thousand Eight Hundred and Forty

Nearby Numbers

Positive, nonzero integers within three units

12837
Twelve Thousand Eight Hundred and Thirty-Seven
12838
Twelve Thousand Eight Hundred and Thirty-Eight
12839
Twelve Thousand Eight Hundred and Thirty-Nine
12841
Twelve Thousand Eight Hundred and Forty-One
12842
Twelve Thousand Eight Hundred and Forty-Two
12843
Twelve Thousand Eight Hundred and Forty-Three

Scientific Notation

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

1.2840e4

Reciprocal

A number multiplied with its reciprocal is one.

0.00007788161993769471

The reciprocal of 12840.

Palindrome?

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

The number 12840 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 forty is a composite number with 32 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 forty is a composite number with 32 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 forty has the following 4 prime factors:

2
Two
3
Three
5
Five
107
One Hundred and Seven

Prime Factorization

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

23 · 31 · 51 · 1071 = 12840

Base Conversions

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