The Number

21131

Twenty-One Thousand One Hundred and Thirty-One

In Base 2 Binary Is

1010010100010112

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

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

Nearby Numbers

Positive, nonzero integers within three units

21128
1010010100010002
Twenty-One Thousand One Hundred and Twenty-Eight in Base 2 Binary
21129
1010010100010012
Twenty-One Thousand One Hundred and Twenty-Nine in Base 2 Binary
21130
1010010100010102
Twenty-One Thousand One Hundred and Thirty in Base 2 Binary
21132
1010010100011002
Twenty-One Thousand One Hundred and Thirty-Two in Base 2 Binary
21133
1010010100011012
Twenty-One Thousand One Hundred and Thirty-Three in Base 2 Binary
21134
1010010100011102
Twenty-One Thousand One Hundred and Thirty-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.

2.1131e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000000000000001100011001111101100101010100010010001000101101000112

The reciprocal of 21131 in Base 2 Binary.

Palindrome?

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

The number 1010010100010112 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 one hundred and thirty-one is a composite number with 8 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 one hundred and thirty-one is a composite number with 8 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 one hundred and thirty-one has the following 3 prime factors:

11
10112
Eleven in Base 2 Binary
17
100012
Seventeen in Base 2 Binary
113
11100012
One Hundred and Thirteen in Base 2 Binary

Prime Factorization

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

101121 · 1000121 · 111000121 = 1010010100010112

Base Conversions

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