The Number

231

Two Hundred and Thirty-One

In Base 18 Octodecimal Is

cf18

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

For more familiar numbers: See Two Hundred and Thirty-One in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

228
cc18
Two Hundred and Twenty-Eight in Base 18 Octodecimal
229
cd18
Two Hundred and Twenty-Nine in Base 18 Octodecimal
230
ce18
Two Hundred and Thirty in Base 18 Octodecimal
232
cg18
Two Hundred and Thirty-Two in Base 18 Octodecimal
233
ch18
Two Hundred and Thirty-Three in Base 18 Octodecimal
234
d018
Two Hundred and Thirty-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.

2.31e2

Reciprocal

A number multiplied with its reciprocal is one.

0.01747h130cb3h9b18

The reciprocal of 231 in Base 18 Octodecimal.

Palindrome?

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

The number cf18 is not a palindrome.

Not A Prime Number

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

Two hundred and thirty-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.

Two hundred and thirty-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 two hundred and thirty-one has the following 3 prime factors:

3
318
Three in Base 18 Octodecimal
7
718
Seven in Base 18 Octodecimal
11
b18
Eleven in Base 18 Octodecimal

Prime Factorization

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

3181 · 7181 · b181 = cf18

Base Conversions

The number two hundred and thirty-one in 35 different bases