The Number

129991

One Hundred and Twenty-Nine Thousand Nine Hundred and Ninety-One

In Base 18 Octodecimal Is

1453d18

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

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

Nearby Numbers

Positive, nonzero integers within three units

129988
1453a18
One Hundred and Twenty-Nine Thousand Nine Hundred and Eighty-Eight in Base 18 Octodecimal
129989
1453b18
One Hundred and Twenty-Nine Thousand Nine Hundred and Eighty-Nine in Base 18 Octodecimal
129990
1453c18
One Hundred and Twenty-Nine Thousand Nine Hundred and Ninety in Base 18 Octodecimal
129992
1453e18
One Hundred and Twenty-Nine Thousand Nine Hundred and Ninety-Two in Base 18 Octodecimal
129993
1453f18
One Hundred and Twenty-Nine Thousand Nine Hundred and Ninety-Three in Base 18 Octodecimal
129994
1453g18
One Hundred and Twenty-Nine 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.

1.29991e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0000e9bce616d91g718

The reciprocal of 129991 in Base 18 Octodecimal.

Palindrome?

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

The number 1453d18 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 twenty-nine 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 twenty-nine 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 twenty-nine thousand nine hundred and ninety-one has the following 2 prime factors:

61
3718
Sixty-One in Base 18 Octodecimal
2131
6a718
Two Thousand One Hundred and Thirty-One in Base 18 Octodecimal

Prime Factorization

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

37181 · 6a7181 = 1453d18

Base Conversions

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