The Number

21168

Twenty-One Thousand One Hundred and Sixty-Eight

Nearby Numbers

Positive, nonzero integers within three units

21165
Twenty-One Thousand One Hundred and Sixty-Five
21166
Twenty-One Thousand One Hundred and Sixty-Six
21167
Twenty-One Thousand One Hundred and Sixty-Seven
21169
Twenty-One Thousand One Hundred and Sixty-Nine
21170
Twenty-One Thousand One Hundred and Seventy
21171
Twenty-One Thousand One Hundred and Seventy-One

Scientific Notation

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

2.1168e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0000472411186696901

The reciprocal of 21168.

Palindrome?

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

The number 21168 is not a palindrome.

Not A Prime Number

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

Twenty-one thousand one hundred and sixty-eight is a composite number with 60 total factors (including 1 and itself).   See primes in Base 10 Decimal

A Composite

Composites have more than just these two factors.

Twenty-one thousand one hundred and sixty-eight is a composite number with 60 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 twenty-one thousand one hundred and sixty-eight has the following 3 prime factors:

2
Two
3
Three
7
Seven

Prime Factorization

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

24 · 33 · 72 = 21168

Base Conversions

The number twenty-one thousand one hundred and sixty-eight in 35 different bases