The Number

20385

Twenty Thousand Three Hundred and Eighty-Five

In Base 21 Unovigesimal Is

244f21

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

For more familiar numbers: See Twenty Thousand Three Hundred and Eighty-Five in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

20382
244c21
Twenty Thousand Three Hundred and Eighty-Two in Base 21 Unovigesimal
20383
244d21
Twenty Thousand Three Hundred and Eighty-Three in Base 21 Unovigesimal
20384
244e21
Twenty Thousand Three Hundred and Eighty-Four in Base 21 Unovigesimal
20386
244g21
Twenty Thousand Three Hundred and Eighty-Six in Base 21 Unovigesimal
20387
244h21
Twenty Thousand Three Hundred and Eighty-Seven in Base 21 Unovigesimal
20388
244i21
Twenty Thousand Three Hundred and Eighty-Eight in Base 21 Unovigesimal

Scientific Notation

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

2.0385e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0009b76d07c9e5d921

The reciprocal of 20385 in Base 21 Unovigesimal.

Palindrome?

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

The number 244f21 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 three hundred and eighty-five is a composite number with 16 total factors (including 1 and itself).   See primes in Base 21 Unovigesimal

A Composite

Composites have more than just these two factors.

Twenty thousand three hundred and eighty-five 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 thousand three hundred and eighty-five has the following 3 prime factors:

3
321
Three in Base 21 Unovigesimal
5
521
Five in Base 21 Unovigesimal
151
7421
One Hundred and Fifty-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

3213 · 5211 · 74211 = 244f21

Base Conversions

The number twenty thousand three hundred and eighty-five in 35 different bases