The Number

18021

Eightteen Thousand and Twenty-One

In Base 2 Binary Is

1000110011001012

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

For more familiar numbers: See Eightteen Thousand and Twenty-One in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

18018
1000110011000102
Eightteen Thousand and Eightteen in Base 2 Binary
18019
1000110011000112
Eightteen Thousand and Nineteen in Base 2 Binary
18020
1000110011001002
Eightteen Thousand and Twenty in Base 2 Binary
18022
1000110011001102
Eightteen Thousand and Twenty-Two in Base 2 Binary
18023
1000110011001112
Eightteen Thousand and Twenty-Three in Base 2 Binary
18024
1000110011010002
Eightteen Thousand and Twenty-Four in Base 2 Binary

Scientific Notation

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

1.8021e4

Reciprocal

A number multiplied with its reciprocal is one.

0.00000000000000111010001011111011001111011011100100111010001110101012

The reciprocal of 18021 in Base 2 Binary.

Palindrome?

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

The number 1000110011001012 is not a palindrome.

Not A Prime Number

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

Eightteen thousand and twenty-one is a composite number with 4 total factors (including 1 and itself).   See primes in Base 2 Binary

A Composite

Composites have more than just these two factors.

Eightteen thousand and twenty-one 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 eightteen thousand and twenty-one has the following 2 prime factors:

3
112
Three in Base 2 Binary
6007
10111011101112
Six Thousand and 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

1121 · 101110111011121 = 1000110011001012

Base Conversions

The number eightteen thousand and twenty-one in 35 different bases