The Number

142991

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

In Base 18 Octodecimal Is

1695h18

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 Ninety-One in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

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
142992
1696018
One Hundred and Forty-Two Thousand Nine Hundred and Ninety-Two in Base 18 Octodecimal
142993
1696118
One Hundred and Forty-Two Thousand Nine Hundred and Ninety-Three in Base 18 Octodecimal
142994
1696218
One 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.

1.42991e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0000d3f993ebgdf2318

The reciprocal of 142991 in Base 18 Octodecimal.

Palindrome?

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

The number 1695h18 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 ninety-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.

One hundred and forty-two thousand nine hundred and ninety-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 one hundred and forty-two thousand nine hundred and ninety-one has the following 2 prime factors:

23
1518
Twenty-Three in Base 18 Octodecimal
6217
113718
Six Thousand Two Hundred and Seventeen in Base 18 Octodecimal

Prime Factorization

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

15181 · 1137181 = 1695h18

Base Conversions

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