The Number

242

Two Hundred and Forty-Two

In Base 18 Octodecimal Is

d818

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

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

Nearby Numbers

Positive, nonzero integers within three units

239
d518
Two Hundred and Thirty-Nine in Base 18 Octodecimal
240
d618
Two Hundred and Forty in Base 18 Octodecimal
241
d718
Two Hundred and Forty-One in Base 18 Octodecimal
243
d918
Two Hundred and Forty-Three in Base 18 Octodecimal
244
da18
Two Hundred and Forty-Four in Base 18 Octodecimal
245
db18
Two Hundred and Forty-Five in Base 18 Octodecimal

Scientific Notation

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

2.42e2

Reciprocal

A number multiplied with its reciprocal is one.

0.0161e26f3242ha18

The reciprocal of 242 in Base 18 Octodecimal.

Palindrome?

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

The number d818 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 forty-two is a composite number with 6 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 forty-two is a composite number with 6 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 forty-two has the following 2 prime factors:

2
218
Two 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

2181 · b182 = d818

Base Conversions

The number two hundred and forty-two in 35 different bases