The Number

142805

One Hundred and Forty-Two Thousand Eight Hundred and Five

In Base 18 Octodecimal Is

168db18

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

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

Nearby Numbers

Positive, nonzero integers within three units

142802
168d818
One Hundred and Forty-Two Thousand Eight Hundred and Two in Base 18 Octodecimal
142803
168d918
One Hundred and Forty-Two Thousand Eight Hundred and Three in Base 18 Octodecimal
142804
168da18
One Hundred and Forty-Two Thousand Eight Hundred and Four in Base 18 Octodecimal
142806
168dc18
One Hundred and Forty-Two Thousand Eight Hundred and Six in Base 18 Octodecimal
142807
168dd18
One Hundred and Forty-Two Thousand Eight Hundred and Seven in Base 18 Octodecimal
142808
168de18
One Hundred and Forty-Two Thousand Eight Hundred and Eight in Base 18 Octodecimal

Scientific Notation

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

1.42805e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0000d431g0856hh18

The reciprocal of 142805 in Base 18 Octodecimal.

Palindrome?

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

The number 168db18 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 forty-two thousand eight hundred and five is a composite number with 10 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 forty-two thousand eight hundred and five is a composite number with 10 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 forty-two thousand eight hundred and five has the following 2 prime factors:

5
518
Five in Base 18 Octodecimal
13
d18
Thirteen in Base 18 Octodecimal

Prime Factorization

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

5181 · d184 = 168db18

Base Conversions

The number one hundred and forty-two thousand eight hundred and five in 35 different bases