The Number

21003

Twenty-One Thousand and Three

In Base 2 Binary Is

1010010000010112

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

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

Nearby Numbers

Positive, nonzero integers within three units

21000
1010010000010002
Twenty-One Thousand in Base 2 Binary
21001
1010010000010012
Twenty-One Thousand and One in Base 2 Binary
21002
1010010000010102
Twenty-One Thousand and Two in Base 2 Binary
21004
1010010000011002
Twenty-One Thousand and Four in Base 2 Binary
21005
1010010000011012
Twenty-One Thousand and Five in Base 2 Binary
21006
1010010000011102
Twenty-One Thousand and Six in Base 2 Binary

Scientific Notation

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

2.1003e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0000000000000011000111101100110100001001111101010100110001011100112

The reciprocal of 21003 in Base 2 Binary.

Palindrome?

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

The number 1010010000010112 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 three 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 three 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 twenty-one thousand and three has the following 2 prime factors:

3
112
Three in Base 2 Binary
7001
11011010110012
Seven Thousand and 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

1121 · 110110101100121 = 1010010000010112

Base Conversions

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