The Number

990

Nine Hundred and Ninety

In Base 2 Binary Is

11110111102

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

For more familiar numbers: See Nine Hundred and Ninety in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

987
11110110112
Nine Hundred and Eighty-Seven in Base 2 Binary
988
11110111002
Nine Hundred and Eighty-Eight in Base 2 Binary
989
11110111012
Nine Hundred and Eighty-Nine in Base 2 Binary
991
11110111112
Nine Hundred and Ninety-One in Base 2 Binary
992
11111000002
Nine Hundred and Ninety-Two in Base 2 Binary
993
11111000012
Nine Hundred and Ninety-Three in Base 2 Binary

Scientific Notation

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

9.90e2

Reciprocal

A number multiplied with its reciprocal is one.

0.00000000010000100011001010101110110011011101010110010111100012

The reciprocal of 990 in Base 2 Binary.

Palindrome?

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

The number 11110111102 is not a palindrome.

Not A Prime Number

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

Nine hundred and ninety is a composite number with 24 total factors (including 1 and itself).   See primes in Base 2 Binary

A Composite

Composites have more than just these two factors.

Nine hundred and ninety is a composite number with 24 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 nine hundred and ninety has the following 4 prime factors:

2
102
Two in Base 2 Binary
3
112
Three in Base 2 Binary
5
1012
Five in Base 2 Binary
11
10112
Eleven in Base 2 Binary

Prime Factorization

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

1021 · 1122 · 10121 · 101121 = 11110111102

Base Conversions

The number nine hundred and ninety in 35 different bases