The Number

42981

Forty-Two Thousand Nine Hundred and Eighty-One

In Base 18 Octodecimal Is

76bf18

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

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

Nearby Numbers

Positive, nonzero integers within three units

42978
76bc18
Forty-Two Thousand Nine Hundred and Seventy-Eight in Base 18 Octodecimal
42979
76bd18
Forty-Two Thousand Nine Hundred and Seventy-Nine in Base 18 Octodecimal
42980
76be18
Forty-Two Thousand Nine Hundred and Eighty in Base 18 Octodecimal
42982
76bg18
Forty-Two Thousand Nine Hundred and Eighty-Two in Base 18 Octodecimal
42983
76bh18
Forty-Two Thousand Nine Hundred and Eighty-Three in Base 18 Octodecimal
42984
76c018
Forty-Two Thousand Nine Hundred and Eighty-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.

4.2981e4

Reciprocal

A number multiplied with its reciprocal is one.

0.00027h5h7h4d85518

The reciprocal of 42981 in Base 18 Octodecimal.

Palindrome?

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

The number 76bf18 is not a palindrome.

Not A Prime Number

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

Forty-two thousand nine hundred and eighty-one 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.

Forty-two thousand nine hundred and eighty-one 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 forty-two thousand nine hundred and eighty-one has the following 2 prime factors:

3
318
Three in Base 18 Octodecimal
14327
283h18
Fourteen Thousand Three Hundred and Twenty-Seven 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 · 283h181 = 76bf18

Base Conversions

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