Nearby Numbers

Positive, nonzero integers within three units

21036

1010010001011002

Twenty-One Thousand and Thirty-Six in Base 2 Binary

21037

1010010001011012

Twenty-One Thousand and Thirty-Seven in Base 2 Binary

21038

1010010001011102

Twenty-One Thousand and Thirty-Eight in Base 2 Binary

21040

1010010001100002

Twenty-One Thousand and Forty in Base 2 Binary

21041

1010010001100012

Twenty-One Thousand and Forty-One in Base 2 Binary

21042

1010010001100102

Twenty-One Thousand and Forty-Two in Base 2 Binary

Scientific Notation

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

2.1039e4

Reciprocal

A number multiplied with its reciprocal is one.

0.00000000000000110001110101101111001000010001010110011111010100000112

The reciprocal of 21039 in Base 2 Binary.

Palindrome?

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

The number 1010010001011112 is not a palindrome.

Not A Prime Number

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

Twenty-one thousand and thirty-nine 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.

Twenty-one thousand and thirty-nine is a composite number with 4 total factors (including 1 and itself).

Prime Factors

3

112

Three in Base 2 Binary

7013

11011011001012

Seven Thousand and Thirteen 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 · 110110110010121 = 1010010001011112

Base Conversions

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