The Number

20621

Twenty Thousand Six Hundred and Twenty-One

In Base 18 Octodecimal Is

39bb18

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

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

Nearby Numbers

Positive, nonzero integers within three units

20618
39b818
Twenty Thousand Six Hundred and Eightteen in Base 18 Octodecimal
20619
39b918
Twenty Thousand Six Hundred and Nineteen in Base 18 Octodecimal
20620
39ba18
Twenty Thousand Six Hundred and Twenty in Base 18 Octodecimal
20622
39bc18
Twenty Thousand Six Hundred and Twenty-Two in Base 18 Octodecimal
20623
39bd18
Twenty Thousand Six Hundred and Twenty-Three in Base 18 Octodecimal
20624
39be18
Twenty Thousand Six Hundred and Twenty-Four in Base 18 Octodecimal

Scientific Notation

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

2.0621e4

Reciprocal

A number multiplied with its reciprocal is one.

0.00051b72dc9he0318

The reciprocal of 20621 in Base 18 Octodecimal.

Palindrome?

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

The number 39bb18 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 six hundred and twenty-one is a composite number with 4 total factors (including 1 and itself).   See primes in Base 18 Octodecimal

A Composite

Composites have more than just these two factors.

Twenty thousand six hundred and twenty-one is a composite number with 4 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 six hundred and twenty-one has the following 2 prime factors:

17
h18
Seventeen in Base 18 Octodecimal
1213
3d718
One Thousand Two Hundred and Thirteen in Base 18 Octodecimal

Prime Factorization

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

h181 · 3d7181 = 39bb18

Base Conversions

The number twenty thousand six hundred and twenty-one in 35 different bases