The Number

21380

Twenty-One Thousand Three Hundred and Eighty

In Base 2 Binary Is

1010011100001002

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

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

Nearby Numbers

Positive, nonzero integers within three units

21377
1010011100000012
Twenty-One Thousand Three Hundred and Seventy-Seven in Base 2 Binary
21378
1010011100000102
Twenty-One Thousand Three Hundred and Seventy-Eight in Base 2 Binary
21379
1010011100000112
Twenty-One Thousand Three Hundred and Seventy-Nine in Base 2 Binary
21381
1010011100001012
Twenty-One Thousand Three Hundred and Eighty-One in Base 2 Binary
21382
1010011100001102
Twenty-One Thousand Three Hundred and Eighty-Two in Base 2 Binary
21383
1010011100001112
Twenty-One Thousand Three Hundred and Eighty-Three in Base 2 Binary

Scientific Notation

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

2.1380e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0000000000000011000100001011011100100110101111110100101100100101112

The reciprocal of 21380 in Base 2 Binary.

Palindrome?

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

The number 1010011100001002 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 three hundred and eighty is a composite number with 12 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 three hundred and eighty is a composite number with 12 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 three hundred and eighty has the following 3 prime factors:

2
102
Two in Base 2 Binary
5
1012
Five in Base 2 Binary
1069
100001011012
One Thousand and Sixty-Nine in Base 2 Binary

Prime Factorization

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

1022 · 10121 · 1000010110121 = 1010011100001002

Base Conversions

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