The Number

21489

Twenty-One Thousand Four Hundred and Eighty-Nine

In Base 2 Binary Is

1010011111100012

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

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

Nearby Numbers

Positive, nonzero integers within three units

21486
1010011111011102
Twenty-One Thousand Four Hundred and Eighty-Six in Base 2 Binary
21487
1010011111011112
Twenty-One Thousand Four Hundred and Eighty-Seven in Base 2 Binary
21488
1010011111100002
Twenty-One Thousand Four Hundred and Eighty-Eight in Base 2 Binary
21490
1010011111100102
Twenty-One Thousand Four Hundred and Ninety in Base 2 Binary
21491
1010011111100112
Twenty-One Thousand Four Hundred and Ninety-One in Base 2 Binary
21492
1010011111101002
Twenty-One Thousand Four Hundred and Ninety-Two in Base 2 Binary

Scientific Notation

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

2.1489e4

Reciprocal

A number multiplied with its reciprocal is one.

0.00000000000000110000110010111100001011011100101100111001100111111012

The reciprocal of 21489 in Base 2 Binary.

Palindrome?

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

The number 1010011111100012 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 four hundred and eighty-nine is a composite number with 16 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 four hundred and eighty-nine is a composite number with 16 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 four hundred and eighty-nine has the following 4 prime factors:

3
112
Three in Base 2 Binary
13
11012
Thirteen in Base 2 Binary
19
100112
Nineteen in Base 2 Binary
29
111012
Twenty-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

1121 · 110121 · 1001121 · 1110121 = 1010011111100012

Base Conversions

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