The Number

81997

Eighty-One Thousand Nine Hundred and Ninety-Seven

Nearby Numbers

Positive, nonzero integers within three units

81994
Eighty-One Thousand Nine Hundred and Ninety-Four
81995
Eighty-One Thousand Nine Hundred and Ninety-Five
81996
Eighty-One Thousand Nine Hundred and Ninety-Six
81998
Eighty-One Thousand Nine Hundred and Ninety-Eight
81999
Eighty-One Thousand Nine Hundred and Ninety-Nine
82000
Eighty-Two Thousand

Scientific Notation

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

8.1997e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000012195568130541362

The reciprocal of 81997.

Palindrome?

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

The number 81997 is not a palindrome.

Not A Prime Number

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

Eighty-one thousand nine hundred and ninety-seven is a composite number with 4 total factors (including 1 and itself).   See primes in Base 10 Decimal

A Composite

Composites have more than just these two factors.

Eighty-one thousand nine hundred and ninety-seven is a composite number with 4 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 eighty-one thousand nine hundred and ninety-seven has the following 2 prime factors:

167
One Hundred and Sixty-Seven
491
Four Hundred and Ninety-One

Prime Factorization

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

1671 · 4911 = 81997

Base Conversions

The number eighty-one thousand nine hundred and ninety-seven in 35 different bases