The Number

21409

Twenty-One Thousand Four Hundred and Nine

In Base 2 Binary Is

1010011101000012

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

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

Nearby Numbers

Positive, nonzero integers within three units

21406
1010011100111102
Twenty-One Thousand Four Hundred and Six in Base 2 Binary
21407
1010011100111112
Twenty-One Thousand Four Hundred and Seven in Base 2 Binary
21408
1010011101000002
Twenty-One Thousand Four Hundred and Eight in Base 2 Binary
21410
1010011101000102
Twenty-One Thousand Four Hundred and Ten in Base 2 Binary
21411
1010011101000112
Twenty-One Thousand Four Hundred and Eleven in Base 2 Binary
21412
1010011101001002
Twenty-One Thousand Four Hundred and Twelve in Base 2 Binary

Scientific Notation

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

2.1409e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0000000000000011000011111010011100001001000110011000011110001012

The reciprocal of 21409 in Base 2 Binary.

Palindrome?

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

The number 1010011101000012 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 nine 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 four hundred and nine 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 four hundred and nine has the following 2 prime factors:

79
10011112
Seventy-Nine in Base 2 Binary
271
1000011112
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

100111121 · 10000111121 = 1010011101000012

Base Conversions

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