The Number

21002

Twenty-One Thousand and Two

In Base 2 Binary Is

1010010000010102

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

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

Nearby Numbers

Positive, nonzero integers within three units

20999
1010010000001112
Twenty Thousand Nine Hundred and Ninety-Nine in Base 2 Binary
21000
1010010000010002
Twenty-One Thousand in Base 2 Binary
21001
1010010000010012
Twenty-One Thousand and One in Base 2 Binary
21003
1010010000010112
Twenty-One Thousand and Three 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

Scientific Notation

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

2.1002e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0000000000000011000111101101011011000110100101101001110001110110012

The reciprocal of 21002 in Base 2 Binary.

Palindrome?

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

The number 1010010000010102 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 two 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 two 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 two has the following 2 prime factors:

2
102
Two in Base 2 Binary
10501
101001000001012
Ten Thousand Five Hundred 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

1021 · 1010010000010121 = 1010010000010102

Base Conversions

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