The Number

21964

Twenty-One Thousand Nine Hundred and Sixty-Four

Nearby Numbers

Positive, nonzero integers within three units

21961
Twenty-One Thousand Nine Hundred and Sixty-One
21962
Twenty-One Thousand Nine Hundred and Sixty-Two
21963
Twenty-One Thousand Nine Hundred and Sixty-Three
21965
Twenty-One Thousand Nine Hundred and Sixty-Five
21966
Twenty-One Thousand Nine Hundred and Sixty-Six
21967
Twenty-One Thousand Nine Hundred and Sixty-Seven

Scientific Notation

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

2.1964e4

Reciprocal

A number multiplied with its reciprocal is one.

0.00004552904753232562

The reciprocal of 21964.

Palindrome?

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

The number 21964 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 sixty-four is a composite number with 18 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 sixty-four is a composite number with 18 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 sixty-four has the following 3 prime factors:

2
Two
17
Seventeen
19
Nineteen

Prime Factorization

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

22 · 172 · 191 = 21964

Base Conversions

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