The Number

19971

Nineteen Thousand Nine Hundred and Seventy-One

Nearby Numbers

Positive, nonzero integers within three units

19968
Nineteen Thousand Nine Hundred and Sixty-Eight
19969
Nineteen Thousand Nine Hundred and Sixty-Nine
19970
Nineteen Thousand Nine Hundred and Seventy
19972
Nineteen Thousand Nine Hundred and Seventy-Two
19973
Nineteen Thousand Nine Hundred and Seventy-Three
19974
Nineteen Thousand Nine Hundred and Seventy-Four

Scientific Notation

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

1.9971e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000050072605277652595

The reciprocal of 19971.

Palindrome?

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

The number 19971 is not a palindrome.

Not A Prime Number

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

Nineteen thousand nine hundred and seventy-one 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.

Nineteen thousand nine hundred and seventy-one 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 nineteen thousand nine hundred and seventy-one has the following 3 prime factors:

3
Three
7
Seven
317
Three Hundred and Seventeen

Prime Factorization

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

32 · 71 · 3171 = 19971

Base Conversions

The number nineteen thousand nine hundred and seventy-one in 35 different bases