The Number

1987

One Thousand Nine Hundred and Eighty-Seven

Nearby Numbers

Positive, nonzero integers within three units

1984
One Thousand Nine Hundred and Eighty-Four
1985
One Thousand Nine Hundred and Eighty-Five
1986
One Thousand Nine Hundred and Eighty-Six
1988
One Thousand Nine Hundred and Eighty-Eight
1989
One Thousand Nine Hundred and Eighty-Nine
1990
One Thousand Nine Hundred and Ninety

Scientific Notation

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

1.987e3

Reciprocal

A number multiplied with its reciprocal is one.

0.0005032712632108706

The reciprocal of 1987.

Palindrome?

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

The number 1987 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 eighty-seven is the 300th prime number.   See primes in Base 10 Decimal

Not A Composite

Composites have more than just these two factors.

One Thousand Nine Hundred and Eighty-Seven is not a composite number because it has exactly two factors: One and One Thousand Nine Hundred and Eighty-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 eighty-seven has the following 1 prime factor:

1987
One Thousand Nine Hundred and Eighty-Seven

Prime Factorization

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

19871 = 1987

Base Conversions

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