The Number

1997

One Thousand Nine Hundred and Ninety-Seven

In Base 2 Binary Is

111110011012

The numbers with a 2 subscript use Base 2 Binary notation.

For more familiar numbers: See One Thousand Nine Hundred and Ninety-Seven in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

1994
111110010102
One Thousand Nine Hundred and Ninety-Four in Base 2 Binary
1995
111110010112
One Thousand Nine Hundred and Ninety-Five in Base 2 Binary
1996
111110011002
One Thousand Nine Hundred and Ninety-Six in Base 2 Binary
1998
111110011102
One Thousand Nine Hundred and Ninety-Eight in Base 2 Binary
1999
111110011112
One Thousand Nine Hundred and Ninety-Nine in Base 2 Binary
2000
111110100002
Two Thousand in Base 2 Binary

Scientific Notation

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

1.997e3

Reciprocal

A number multiplied with its reciprocal is one.

0.0000000000100000110100010011010110110110011010101110100110012

The reciprocal of 1997 in Base 2 Binary.

Palindrome?

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

The number 111110011012 is not a palindrome.

A Prime Number

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

One thousand nine hundred and ninety-seven is the 302nd prime number.   See primes in Base 2 Binary

Not A Composite

Composites have more than just these two factors.

One Thousand Nine Hundred and Ninety-Seven is not a composite number because it has exactly two factors: One and One Thousand 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 one thousand nine hundred and ninety-seven has the following 1 prime factor:

1997
111110011012
One Thousand Nine Hundred and Ninety-Seven in Base 2 Binary

Prime Factorization

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

1111100110121 = 111110011012

Base Conversions

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