The Number

21355

Twenty-One Thousand Three Hundred and Fifty-Five

In Base 2 Binary Is

1010011011010112

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

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

Nearby Numbers

Positive, nonzero integers within three units

21352
1010011011010002
Twenty-One Thousand Three Hundred and Fifty-Two in Base 2 Binary
21353
1010011011010012
Twenty-One Thousand Three Hundred and Fifty-Three in Base 2 Binary
21354
1010011011010102
Twenty-One Thousand Three Hundred and Fifty-Four in Base 2 Binary
21356
1010011011011002
Twenty-One Thousand Three Hundred and Fifty-Six in Base 2 Binary
21357
1010011011011012
Twenty-One Thousand Three Hundred and Fifty-Seven in Base 2 Binary
21358
1010011011011102
Twenty-One Thousand Three Hundred and Fifty-Eight in Base 2 Binary

Scientific Notation

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

2.1355e4

Reciprocal

A number multiplied with its reciprocal is one.

0.00000000000000110001000110100010010100111011111100110111110000010112

The reciprocal of 21355 in Base 2 Binary.

Palindrome?

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

The number 1010011011010112 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 fifty-five 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 fifty-five 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 fifty-five has the following 2 prime factors:

5
1012
Five in Base 2 Binary
4271
10000101011112
Four Thousand Two Hundred and Seventy-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

10121 · 100001010111121 = 1010011011010112

Base Conversions

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