The Number

39991

Thirty-Nine Thousand Nine Hundred and Ninety-One

In Base 31 Untrigesimal Is

1aj131

The numbers with a 31 subscript use Base 31 Untrigesimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

39988
1ait31
Thirty-Nine Thousand Nine Hundred and Eighty-Eight in Base 31 Untrigesimal
39989
1aiu31
Thirty-Nine Thousand Nine Hundred and Eighty-Nine in Base 31 Untrigesimal
39990
1aj031
Thirty-Nine Thousand Nine Hundred and Ninety in Base 31 Untrigesimal
39992
1aj231
Thirty-Nine Thousand Nine Hundred and Ninety-Two in Base 31 Untrigesimal
39993
1aj331
Thirty-Nine Thousand Nine Hundred and Ninety-Three in Base 31 Untrigesimal
39994
1aj431
Thirty-Nine 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.

3.9991e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000n2ri4gb6fj231

The reciprocal of 39991 in Base 31 Untrigesimal.

Palindrome?

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

The number 1aj131 is not a palindrome.

Not A Prime Number

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

Thirty-nine 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.

Thirty-nine 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 thirty-nine thousand nine hundred and ninety-one has the following 3 prime factors:

7
731
Seven in Base 31 Untrigesimal
29
t31
Twenty-Nine in Base 31 Untrigesimal
197
6b31
One Hundred and Ninety-Seven in Base 31 Untrigesimal

Prime Factorization

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

7311 · t311 · 6b311 = 1aj131

Base Conversions

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