The Number

21402

Twenty-One Thousand Four Hundred and Two

In Base 28 Octovigesimal Is

r8a28

The numbers with a 28 subscript use Base 28 Octovigesimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

21399
r8728
Twenty-One Thousand Three Hundred and Ninety-Nine in Base 28 Octovigesimal
21400
r8828
Twenty-One Thousand Four Hundred in Base 28 Octovigesimal
21401
r8928
Twenty-One Thousand Four Hundred and One in Base 28 Octovigesimal
21403
r8b28
Twenty-One Thousand Four Hundred and Three in Base 28 Octovigesimal
21404
r8c28
Twenty-One Thousand Four Hundred and Four in Base 28 Octovigesimal
21405
r8d28
Twenty-One Thousand Four Hundred and Five in Base 28 Octovigesimal

Scientific Notation

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

2.1402e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0010k43l5mg1b828

The reciprocal of 21402 in Base 28 Octovigesimal.

Palindrome?

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

The number r8a28 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 two is a composite number with 24 total factors (including 1 and itself).   See primes in Base 28 Octovigesimal

A Composite

Composites have more than just these two factors.

Twenty-one thousand four hundred and two is a composite number with 24 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 two has the following 4 prime factors:

2
228
Two in Base 28 Octovigesimal
3
328
Three in Base 28 Octovigesimal
29
1128
Twenty-Nine in Base 28 Octovigesimal
41
1d28
Forty-One in Base 28 Octovigesimal

Prime Factorization

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

2281 · 3282 · 11281 · 1d281 = r8a28

Base Conversions

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