The Number

21311

Twenty-One Thousand Three Hundred and Eleven

In Base 2 Binary Is

1010011001111112

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

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

Nearby Numbers

Positive, nonzero integers within three units

21308
1010011001111002
Twenty-One Thousand Three Hundred and Eight in Base 2 Binary
21309
1010011001111012
Twenty-One Thousand Three Hundred and Nine in Base 2 Binary
21310
1010011001111102
Twenty-One Thousand Three Hundred and Ten in Base 2 Binary
21312
1010011010000002
Twenty-One Thousand Three Hundred and Twelve in Base 2 Binary
21313
1010011010000012
Twenty-One Thousand Three Hundred and Thirteen in Base 2 Binary
21314
1010011010000102
Twenty-One Thousand Three Hundred and Fourteen in Base 2 Binary

Scientific Notation

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

2.1311e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000000000000001100010011010000011001001110011111010111101110111112

The reciprocal of 21311 in Base 2 Binary.

Palindrome?

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

The number 1010011001111112 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 eleven 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 three hundred and eleven 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 three hundred and eleven has the following 2 prime factors:

101
11001012
One Hundred and One in Base 2 Binary
211
110100112
Two Hundred and Eleven in Base 2 Binary

Prime Factorization

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

110010121 · 1101001121 = 1010011001111112

Base Conversions

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