The Number

86991

Eighty-Six Thousand Nine Hundred and Ninety-One

In Base 31 Untrigesimal Is

2sg531

The numbers with a 31 subscript use Base 31 Untrigesimal 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
2sg231
Eighty-Six Thousand Nine Hundred and Eighty-Eight in Base 31 Untrigesimal
86989
2sg331
Eighty-Six Thousand Nine Hundred and Eighty-Nine in Base 31 Untrigesimal
86990
2sg431
Eighty-Six Thousand Nine Hundred and Ninety in Base 31 Untrigesimal
86992
2sg631
Eighty-Six Thousand Nine Hundred and Ninety-Two in Base 31 Untrigesimal
86993
2sg731
Eighty-Six Thousand Nine Hundred and Ninety-Three in Base 31 Untrigesimal
86994
2sg831
Eighty-Six Thousand Nine Hundred and Ninety-Four in Base 31 Untrigesimal

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.

0.000aj37kfhdt8f31

The reciprocal of 86991 in Base 31 Untrigesimal.

Palindrome?

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

The number 2sg531 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 31 Untrigesimal

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
331
Three in Base 31 Untrigesimal
107
3e31
One Hundred and Seven in Base 31 Untrigesimal
271
8n31
Two Hundred and Seventy-One in Base 31 Untrigesimal

Prime Factorization

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

3311 · 3e311 · 8n311 = 2sg531

Base Conversions

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