The Number

21956

Twenty-One Thousand Nine Hundred and Fifty-Six

Nearby Numbers

Positive, nonzero integers within three units

21953
Twenty-One Thousand Nine Hundred and Fifty-Three
21954
Twenty-One Thousand Nine Hundred and Fifty-Four
21955
Twenty-One Thousand Nine Hundred and Fifty-Five
21957
Twenty-One Thousand Nine Hundred and Fifty-Seven
21958
Twenty-One Thousand Nine Hundred and Fifty-Eight
21959
Twenty-One Thousand Nine Hundred and Fifty-Nine

Scientific Notation

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

2.1956e4

Reciprocal

A number multiplied with its reciprocal is one.

0.00004554563672800146

The reciprocal of 21956.

Palindrome?

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

The number 21956 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 nine hundred and fifty-six is a composite number with 12 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 nine hundred and fifty-six is a composite number with 12 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 nine hundred and fifty-six has the following 3 prime factors:

2
Two
11
Eleven
499
Four Hundred and Ninety-Nine

Prime Factorization

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

22 · 111 · 4991 = 21956

Base Conversions

The number twenty-one thousand nine hundred and fifty-six in 35 different bases