The Number

20021

Twenty Thousand and Twenty-One

In Base 2 Binary Is

1001110001101012

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

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

Nearby Numbers

Positive, nonzero integers within three units

20018
1001110001100102
Twenty Thousand and Eightteen in Base 2 Binary
20019
1001110001100112
Twenty Thousand and Nineteen in Base 2 Binary
20020
1001110001101002
Twenty Thousand and Twenty in Base 2 Binary
20022
1001110001101102
Twenty Thousand and Twenty-Two in Base 2 Binary
20023
1001110001101112
Twenty Thousand and Twenty-Three in Base 2 Binary
20024
1001110001110002
Twenty 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.

2.0021e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0000000000000011010001011111101100011101100100110100100111011110012

The reciprocal of 20021 in Base 2 Binary.

Palindrome?

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

The number 1001110001101012 is not a palindrome.

A Prime Number

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

Twenty thousand and twenty-one is the 2264th prime number.   See primes in Base 2 Binary

Not A Composite

Composites have more than just these two factors.

Twenty Thousand and Twenty-One is not a composite number because it has exactly two factors: One and Twenty Thousand and Twenty-One

Prime Factors

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

The number twenty thousand and twenty-one has the following 1 prime factor:

20021
1001110001101012
Twenty Thousand and Twenty-One in Base 2 Binary

Prime Factorization

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

10011100011010121 = 1001110001101012

Base Conversions

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