The Number

21420

Twenty-One Thousand Four Hundred and Twenty

In Base 2 Binary Is

1010011101011002

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

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

Nearby Numbers

Positive, nonzero integers within three units

21417
1010011101010012
Twenty-One Thousand Four Hundred and Seventeen in Base 2 Binary
21418
1010011101010102
Twenty-One Thousand Four Hundred and Eightteen in Base 2 Binary
21419
1010011101010112
Twenty-One Thousand Four Hundred and Nineteen in Base 2 Binary
21421
1010011101011012
Twenty-One Thousand Four Hundred and Twenty-One in Base 2 Binary
21422
1010011101011102
Twenty-One Thousand Four Hundred and Twenty-Two in Base 2 Binary
21423
1010011101011112
Twenty-One Thousand Four Hundred and Twenty-Three in Base 2 Binary

Scientific Notation

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

2.1420e4

Reciprocal

A number multiplied with its reciprocal is one.

0.00000000000000110000111101000000000000110000111101000000000000112

The reciprocal of 21420 in Base 2 Binary.

Palindrome?

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

The number 1010011101011002 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 twenty is a composite number with 72 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 twenty is a composite number with 72 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 twenty has the following 5 prime factors:

2
102
Two in Base 2 Binary
3
112
Three in Base 2 Binary
5
1012
Five in Base 2 Binary
7
1112
Seven in Base 2 Binary
17
100012
Seventeen in Base 2 Binary

Prime Factorization

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

1022 · 1122 · 10121 · 11121 · 1000121 = 1010011101011002

Base Conversions

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