The Number

242991

Two Hundred and Forty-Two Thousand Nine Hundred and Ninety-One

In Base 18 Octodecimal Is

25bh918

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

For more familiar numbers: See Two Hundred and Forty-Two Thousand Nine Hundred and Ninety-One in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

242988
25bh618
Two Hundred and Forty-Two Thousand Nine Hundred and Eighty-Eight in Base 18 Octodecimal
242989
25bh718
Two Hundred and Forty-Two Thousand Nine Hundred and Eighty-Nine in Base 18 Octodecimal
242990
25bh818
Two Hundred and Forty-Two Thousand Nine Hundred and Ninety in Base 18 Octodecimal
242992
25bha18
Two Hundred and Forty-Two Thousand Nine Hundred and Ninety-Two in Base 18 Octodecimal
242993
25bhb18
Two Hundred and Forty-Two Thousand Nine Hundred and Ninety-Three in Base 18 Octodecimal
242994
25bhc18
Two Hundred and Forty-Two Thousand Nine Hundred and Ninety-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.

2.42991e5

Reciprocal

A number multiplied with its reciprocal is one.

0.00007dh95ahcd31g18

The reciprocal of 242991 in Base 18 Octodecimal.

Palindrome?

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

The number 25bh918 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 thousand nine hundred and ninety-one is a composite number with 36 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 thousand nine hundred and ninety-one is a composite number with 36 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 thousand nine hundred and ninety-one has the following 4 prime factors:

3
318
Three in Base 18 Octodecimal
7
718
Seven in Base 18 Octodecimal
19
1118
Nineteen in Base 18 Octodecimal
29
1b18
Twenty-Nine in Base 18 Octodecimal

Prime Factorization

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

3182 · 7182 · 11181 · 1b181 = 25bh918

Base Conversions

The number two hundred and forty-two thousand nine hundred and ninety-one in 35 different bases