The Number

86991

Eighty-Six Thousand Nine Hundred and Ninety-One

In Base 13 Tridecimal Is

3079813

The numbers with a 13 subscript use Base 13 Tridecimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

86988
3079513
Eighty-Six Thousand Nine Hundred and Eighty-Eight in Base 13 Tridecimal
86989
3079613
Eighty-Six Thousand Nine Hundred and Eighty-Nine in Base 13 Tridecimal
86990
3079713
Eighty-Six Thousand Nine Hundred and Ninety in Base 13 Tridecimal
86992
3079913
Eighty-Six Thousand Nine Hundred and Ninety-Two in Base 13 Tridecimal
86993
3079a13
Eighty-Six Thousand Nine Hundred and Ninety-Three in Base 13 Tridecimal
86994
3079b13
Eighty-Six Thousand Nine Hundred and Ninety-Four in Base 13 Tridecimal

Scientific Notation

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

8.6991e4

Reciprocal

A number multiplied with its reciprocal is one.

0.00004364253c7539bc313

The reciprocal of 86991 in Base 13 Tridecimal.

Palindrome?

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

The number 3079813 is not a palindrome.

Not A Prime Number

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

Eighty-six thousand nine hundred and ninety-one is a composite number with 8 total factors (including 1 and itself).   See primes in Base 13 Tridecimal

A Composite

Composites have more than just these two factors.

Eighty-six thousand nine hundred and ninety-one 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 eighty-six thousand nine hundred and ninety-one has the following 3 prime factors:

3
313
Three in Base 13 Tridecimal
107
8313
One Hundred and Seven in Base 13 Tridecimal
271
17b13
Two Hundred and Seventy-One in Base 13 Tridecimal

Prime Factorization

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

3131 · 83131 · 17b131 = 3079813

Base Conversions

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