The Number

21038

Twenty-One Thousand and Thirty-Eight

In Base 18 Octodecimal Is

3age18

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

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

Nearby Numbers

Positive, nonzero integers within three units

21035
3agb18
Twenty-One Thousand and Thirty-Five in Base 18 Octodecimal
21036
3agc18
Twenty-One Thousand and Thirty-Six in Base 18 Octodecimal
21037
3agd18
Twenty-One Thousand and Thirty-Seven in Base 18 Octodecimal
21039
3agf18
Twenty-One Thousand and Thirty-Nine in Base 18 Octodecimal
21040
3agg18
Twenty-One Thousand and Forty in Base 18 Octodecimal
21041
3agh18
Twenty-One Thousand 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.

2.1038e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0004hecc33542fe918

The reciprocal of 21038 in Base 18 Octodecimal.

Palindrome?

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

The number 3age18 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 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-one thousand 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 and thirty-eight has the following 3 prime factors:

2
218
Two in Base 18 Octodecimal
67
3d18
Sixty-Seven in Base 18 Octodecimal
157
8d18
One Hundred and Fifty-Seven 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 · 3d181 · 8d181 = 3age18

Base Conversions

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