The Number

121813

One Hundred and Twenty-One Thousand Eight Hundred and Thirteen

In Base 18 Octodecimal Is

12fh718

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

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

Nearby Numbers

Positive, nonzero integers within three units

121810
12fh418
One Hundred and Twenty-One Thousand Eight Hundred and Ten in Base 18 Octodecimal
121811
12fh518
One Hundred and Twenty-One Thousand Eight Hundred and Eleven in Base 18 Octodecimal
121812
12fh618
One Hundred and Twenty-One Thousand Eight Hundred and Twelve in Base 18 Octodecimal
121814
12fh818
One Hundred and Twenty-One Thousand Eight Hundred and Fourteen in Base 18 Octodecimal
121815
12fh918
One Hundred and Twenty-One Thousand Eight Hundred and Fifteen in Base 18 Octodecimal
121816
12fha18
One Hundred and Twenty-One Thousand Eight Hundred and Sixteen in Base 18 Octodecimal

Scientific Notation

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

1.21813e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0000f93g3e754b21e18

The reciprocal of 121813 in Base 18 Octodecimal.

Palindrome?

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

The number 12fh718 is not a palindrome.

Not A Prime Number

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

One hundred and twenty-one thousand eight hundred and thirteen 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.

One hundred and twenty-one thousand eight hundred and thirteen 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 one hundred and twenty-one thousand eight hundred and thirteen has the following 2 prime factors:

181
a118
One Hundred and Eighty-One in Base 18 Octodecimal
673
21718
Six Hundred and Seventy-Three in Base 18 Octodecimal

Prime Factorization

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

a1181 · 217181 = 12fh718

Base Conversions

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