The Number

20438

Twenty Thousand Four Hundred and Thirty-Eight

In Base 18 Octodecimal Is

391818

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

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

Nearby Numbers

Positive, nonzero integers within three units

20435
391518
Twenty Thousand Four Hundred and Thirty-Five in Base 18 Octodecimal
20436
391618
Twenty Thousand Four Hundred and Thirty-Six in Base 18 Octodecimal
20437
391718
Twenty Thousand Four Hundred and Thirty-Seven in Base 18 Octodecimal
20439
391918
Twenty Thousand Four Hundred and Thirty-Nine in Base 18 Octodecimal
20440
391a18
Twenty Thousand Four Hundred and Forty in Base 18 Octodecimal
20441
391b18
Twenty Thousand Four Hundred and Forty-One in Base 18 Octodecimal

Scientific Notation

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

2.0438e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0005282hdg6eh34b18

The reciprocal of 20438 in Base 18 Octodecimal.

Palindrome?

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

The number 391818 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 thirty-eight 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 four hundred and thirty-eight 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 four hundred and thirty-eight has the following 3 prime factors:

2
218
Two in Base 18 Octodecimal
11
b18
Eleven in Base 18 Octodecimal
929
2fb18
Nine Hundred and Twenty-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 · b181 · 2fb181 = 391818

Base Conversions

The number twenty thousand four hundred and thirty-eight in 35 different bases