The Number

20390

Twenty Thousand Three Hundred and Ninety

In Base 18 Octodecimal Is

38ge18

The numbers with a 18 subscript use Base 18 Octodecimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

20387
38gb18
Twenty Thousand Three Hundred and Eighty-Seven in Base 18 Octodecimal
20388
38gc18
Twenty Thousand Three Hundred and Eighty-Eight in Base 18 Octodecimal
20389
38gd18
Twenty Thousand Three Hundred and Eighty-Nine in Base 18 Octodecimal
20391
38gf18
Twenty Thousand Three Hundred and Ninety-One in Base 18 Octodecimal
20392
38gg18
Twenty Thousand Three Hundred and Ninety-Two in Base 18 Octodecimal
20393
38gh18
Twenty Thousand Three Hundred and Ninety-Three in Base 18 Octodecimal

Scientific Notation

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

2.0390e4

Reciprocal

A number multiplied with its reciprocal is one.

0.00052c1916fg74fd18

The reciprocal of 20390 in Base 18 Octodecimal.

Palindrome?

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

The number 38ge18 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 ninety is a composite number with 8 total factors (including 1 and itself).   See primes in Base 18 Octodecimal

A Composite

Composites have more than just these two factors.

Twenty thousand three hundred and ninety 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 twenty thousand three hundred and ninety has the following 3 prime factors:

2
218
Two in Base 18 Octodecimal
5
518
Five in Base 18 Octodecimal
2039
65518
Two Thousand and Thirty-Nine in Base 18 Octodecimal

Prime Factorization

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

2181 · 5181 · 655181 = 38ge18

Base Conversions

The number twenty thousand three hundred and ninety in 35 different bases