The Number

20389

Twenty Thousand Three Hundred and Eighty-Nine

In Base 21 Unovigesimal Is

244j21

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

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

Nearby Numbers

Positive, nonzero integers within three units

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
20390
244k21
Twenty Thousand Three Hundred and Ninety in Base 21 Unovigesimal
20391
245021
Twenty Thousand Three Hundred and Ninety-One in Base 21 Unovigesimal
20392
245121
Twenty Thousand Three Hundred and Ninety-Two in Base 21 Unovigesimal

Scientific Notation

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

2.0389e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0009b6a60557i20f21

The reciprocal of 20389 in Base 21 Unovigesimal.

Palindrome?

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

The number 244j21 is not a palindrome.

A Prime Number

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

Twenty thousand three hundred and eighty-nine is the 2303rd prime number.   See primes in Base 21 Unovigesimal

Not A Composite

Composites have more than just these two factors.

Twenty Thousand Three Hundred and Eighty-Nine is not a composite number because it has exactly two factors: One and Twenty Thousand Three Hundred and Eighty-Nine

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-nine has the following 1 prime factor:

20389
244j21
Twenty Thousand Three Hundred and Eighty-Nine in Base 21 Unovigesimal

Prime Factorization

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

244j211 = 244j21

Base Conversions

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