The Number

21101

Twenty-One Thousand One Hundred and One

In Base 2 Binary Is

1010010011011012

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

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

Nearby Numbers

Positive, nonzero integers within three units

21098
1010010011010102
Twenty-One Thousand and Ninety-Eight in Base 2 Binary
21099
1010010011010112
Twenty-One Thousand and Ninety-Nine in Base 2 Binary
21100
1010010011011002
Twenty-One Thousand One Hundred in Base 2 Binary
21102
1010010011011102
Twenty-One Thousand One Hundred and Two in Base 2 Binary
21103
1010010011011112
Twenty-One Thousand One Hundred and Three in Base 2 Binary
21104
1010010011100002
Twenty-One Thousand One Hundred and Four in Base 2 Binary

Scientific Notation

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

2.1101e4

Reciprocal

A number multiplied with its reciprocal is one.

0.00000000000000110001101100010111010011100100100111100010011110000112

The reciprocal of 21101 in Base 2 Binary.

Palindrome?

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

The number 1010010011011012 is not a palindrome.

A Prime Number

A prime number is a positive integer that is divisible only by itself and one.

Twenty-one thousand one hundred and one is the 2372nd prime number.   See primes in Base 2 Binary

Not A Composite

Composites have more than just these two factors.

Twenty-One Thousand One Hundred and One is not a composite number because it has exactly two factors: One and Twenty-One Thousand One Hundred and One

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 one hundred and one has the following 1 prime factor:

21101
1010010011011012
Twenty-One Thousand One 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

10100100110110121 = 1010010011011012

Base Conversions

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