The Number

20404

Twenty Thousand Four Hundred and Four

In Base 21 Unovigesimal Is

245d21

The numbers with a 21 subscript use Base 21 Unovigesimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

20401
245a21
Twenty Thousand Four Hundred and One in Base 21 Unovigesimal
20402
245b21
Twenty Thousand Four Hundred and Two in Base 21 Unovigesimal
20403
245c21
Twenty Thousand Four Hundred and Three in Base 21 Unovigesimal
20405
245e21
Twenty Thousand Four Hundred and Five in Base 21 Unovigesimal
20406
245f21
Twenty Thousand Four Hundred and Six in Base 21 Unovigesimal
20407
245g21
Twenty Thousand Four Hundred and Seven in Base 21 Unovigesimal

Scientific Notation

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

2.0404e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0009b3875b0iecg621

The reciprocal of 20404 in Base 21 Unovigesimal.

Palindrome?

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

The number 245d21 is not a palindrome.

Not A Prime Number

A prime number is a positive integer that is divisible only by itself and one.

Twenty thousand four hundred and four is a composite number with 6 total factors (including 1 and itself).   See primes in Base 21 Unovigesimal

A Composite

Composites have more than just these two factors.

Twenty thousand four hundred and four is a composite number with 6 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 thousand four hundred and four has the following 2 prime factors:

2
221
Two in Base 21 Unovigesimal
5101
bbj21
Five Thousand One Hundred and One in Base 21 Unovigesimal

Prime Factorization

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

2212 · bbj211 = 245d21

Base Conversions

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