The Number

18389

Eightteen Thousand Three Hundred and Eighty-Nine

In Base 21 Unovigesimal Is

1kee21

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

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

Nearby Numbers

Positive, nonzero integers within three units

18386
1keb21
Eightteen Thousand Three Hundred and Eighty-Six in Base 21 Unovigesimal
18387
1kec21
Eightteen Thousand Three Hundred and Eighty-Seven in Base 21 Unovigesimal
18388
1ked21
Eightteen Thousand Three Hundred and Eighty-Eight in Base 21 Unovigesimal
18390
1kef21
Eightteen Thousand Three Hundred and Ninety in Base 21 Unovigesimal
18391
1keg21
Eightteen Thousand Three Hundred and Ninety-One in Base 21 Unovigesimal
18392
1keh21
Eightteen 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.

1.8389e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000ac1kggi48dk921

The reciprocal of 18389 in Base 21 Unovigesimal.

Palindrome?

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

The number 1kee21 is not a palindrome.

Not A Prime Number

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

Eightteen thousand three hundred and eighty-nine is a composite number with 8 total factors (including 1 and itself).   See primes in Base 21 Unovigesimal

A Composite

Composites have more than just these two factors.

Eightteen thousand three hundred and eighty-nine is a composite number with 8 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 eightteen thousand three hundred and eighty-nine has the following 3 prime factors:

7
721
Seven in Base 21 Unovigesimal
37
1g21
Thirty-Seven in Base 21 Unovigesimal
71
3821
Seventy-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

7211 · 1g211 · 38211 = 1kee21

Base Conversions

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