The Number

20801

Twenty Thousand Eight Hundred and One

In Base 18 Octodecimal Is

3a3b18

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

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

Nearby Numbers

Positive, nonzero integers within three units

20798
3a3818
Twenty Thousand Seven Hundred and Ninety-Eight in Base 18 Octodecimal
20799
3a3918
Twenty Thousand Seven Hundred and Ninety-Nine in Base 18 Octodecimal
20800
3a3a18
Twenty Thousand Eight Hundred in Base 18 Octodecimal
20802
3a3c18
Twenty Thousand Eight Hundred and Two in Base 18 Octodecimal
20803
3a3d18
Twenty Thousand Eight Hundred and Three in Base 18 Octodecimal
20804
3a3e18
Twenty Thousand Eight Hundred and 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.

2.0801e4

Reciprocal

A number multiplied with its reciprocal is one.

0.00050f245ff745fb18

The reciprocal of 20801 in Base 18 Octodecimal.

Palindrome?

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

The number 3a3b18 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 eight hundred and one 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 eight hundred and one 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 eight hundred and one has the following 3 prime factors:

11
b18
Eleven in Base 18 Octodecimal
31
1d18
Thirty-One in Base 18 Octodecimal
61
3718
Sixty-One in Base 18 Octodecimal

Prime Factorization

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

b181 · 1d181 · 37181 = 3a3b18

Base Conversions

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