The Number

21938

Twenty-One Thousand Nine Hundred and Thirty-Eight

In Base 9 Nonary Is

330759

The numbers with a 9 subscript use Base 9 Nonary notation.

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

Nearby Numbers

Positive, nonzero integers within three units

21935
330729
Twenty-One Thousand Nine Hundred and Thirty-Five in Base 9 Nonary
21936
330739
Twenty-One Thousand Nine Hundred and Thirty-Six in Base 9 Nonary
21937
330749
Twenty-One Thousand Nine Hundred and Thirty-Seven in Base 9 Nonary
21939
330769
Twenty-One Thousand Nine Hundred and Thirty-Nine in Base 9 Nonary
21940
330779
Twenty-One Thousand Nine Hundred and Forty in Base 9 Nonary
21941
330789
Twenty-One Thousand Nine Hundred and Forty-One in Base 9 Nonary

Scientific Notation

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

2.1938e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0000262017103864446819

The reciprocal of 21938 in Base 9 Nonary.

Palindrome?

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

The number 330759 is not a palindrome.

Not A Prime Number

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

Twenty-one thousand nine hundred and thirty-eight is a composite number with 8 total factors (including 1 and itself).   See primes in Base 9 Nonary

A Composite

Composites have more than just these two factors.

Twenty-one thousand nine 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-one thousand nine hundred and thirty-eight has the following 3 prime factors:

2
29
Two in Base 9 Nonary
7
79
Seven in Base 9 Nonary
1567
21319
One Thousand Five Hundred and Sixty-Seven in Base 9 Nonary

Prime Factorization

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

291 · 791 · 213191 = 330759

Base Conversions

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