The Number

11891

Eleven Thousand Eight Hundred and Ninety-One

Nearby Numbers

Positive, nonzero integers within three units

11888
Eleven Thousand Eight Hundred and Eighty-Eight
11889
Eleven Thousand Eight Hundred and Eighty-Nine
11890
Eleven Thousand Eight Hundred and Ninety
11892
Eleven Thousand Eight Hundred and Ninety-Two
11893
Eleven Thousand Eight Hundred and Ninety-Three
11894
Eleven Thousand Eight Hundred and Ninety-Four

Scientific Notation

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

1.1891e4

Reciprocal

A number multiplied with its reciprocal is one.

0.00008409721638213776

The reciprocal of 11891.

Palindrome?

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

The number 11891 is not a palindrome.

Not A Prime Number

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

Eleven thousand eight hundred and ninety-one 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.

Eleven thousand eight hundred and ninety-one 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 eleven thousand eight hundred and ninety-one has the following 3 prime factors:

11
Eleven
23
Twenty-Three
47
Forty-Seven

Prime Factorization

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

111 · 231 · 471 = 11891

Base Conversions

The number eleven thousand eight hundred and ninety-one in 35 different bases