The Number

142987

One Hundred and Forty-Two Thousand Nine Hundred and Eighty-Seven

In Base 18 Octodecimal Is

1695d18

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

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

Nearby Numbers

Positive, nonzero integers within three units

142984
1695a18
One Hundred and Forty-Two Thousand Nine Hundred and Eighty-Four in Base 18 Octodecimal
142985
1695b18
One Hundred and Forty-Two Thousand Nine Hundred and Eighty-Five in Base 18 Octodecimal
142986
1695c18
One Hundred and Forty-Two Thousand Nine Hundred and Eighty-Six in Base 18 Octodecimal
142988
1695e18
One Hundred and Forty-Two Thousand Nine Hundred and Eighty-Eight in Base 18 Octodecimal
142989
1695f18
One Hundred and Forty-Two Thousand Nine Hundred and Eighty-Nine in Base 18 Octodecimal
142990
1695g18
One Hundred and Forty-Two Thousand Nine Hundred and Ninety in Base 18 Octodecimal

Scientific Notation

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

1.42987e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0000d3fbc060g3h2d18

The reciprocal of 142987 in Base 18 Octodecimal.

Palindrome?

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

The number 1695d18 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 nine hundred and eighty-seven 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.

One hundred and forty-two thousand nine hundred and eighty-seven 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 one hundred and forty-two thousand nine hundred and eighty-seven has the following 3 prime factors:

13
d18
Thirteen in Base 18 Octodecimal
17
h18
Seventeen in Base 18 Octodecimal
647
1hh18
Six Hundred and Forty-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

d181 · h181 · 1hh181 = 1695d18

Base Conversions

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