The Number

997

Nine Hundred and Ninety-Seven

Nearby Numbers

Positive, nonzero integers within three units

994
Nine Hundred and Ninety-Four
995
Nine Hundred and Ninety-Five
996
Nine Hundred and Ninety-Six
998
Nine Hundred and Ninety-Eight
999
Nine Hundred and Ninety-Nine
1000
One Thousand

Scientific Notation

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

9.97e2

Reciprocal

A number multiplied with its reciprocal is one.

0.0010030090270812437

The reciprocal of 997.

Palindrome?

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

The number 997 is not a palindrome.

A Prime Number

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

Nine hundred and ninety-seven is the 168th prime number.   See primes in Base 10 Decimal

Not A Composite

Composites have more than just these two factors.

Nine Hundred and Ninety-Seven is not a composite number because it has exactly two factors: One and Nine Hundred and Ninety-Seven

Prime Factors

The prime factors of a positive integer are the integers that divide it exactly and are also prime.

The number nine hundred and ninety-seven has the following 1 prime factor:

997
Nine Hundred and Ninety-Seven

Prime Factorization

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

9971 = 997

Base Conversions

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