The Number

139991

One Hundred and Thirty-Nine Thousand Nine Hundred and Ninety-One

In Base 21 Unovigesimal Is

f29521

The numbers with a 21 subscript use Base 21 Unovigesimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

139988
f29221
One Hundred and Thirty-Nine Thousand Nine Hundred and Eighty-Eight in Base 21 Unovigesimal
139989
f29321
One Hundred and Thirty-Nine Thousand Nine Hundred and Eighty-Nine in Base 21 Unovigesimal
139990
f29421
One Hundred and Thirty-Nine Thousand Nine Hundred and Ninety in Base 21 Unovigesimal
139992
f29621
One Hundred and Thirty-Nine Thousand Nine Hundred and Ninety-Two in Base 21 Unovigesimal
139993
f29721
One Hundred and Thirty-Nine Thousand Nine Hundred and Ninety-Three in Base 21 Unovigesimal
139994
f29821
One Hundred and Thirty-Nine Thousand Nine Hundred and Ninety-Four in Base 21 Unovigesimal

Scientific Notation

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

1.39991e5

Reciprocal

A number multiplied with its reciprocal is one.

0.000183dfddcg805121

The reciprocal of 139991 in Base 21 Unovigesimal.

Palindrome?

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

The number f29521 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 thirty-nine thousand nine hundred and ninety-one is a composite number with 2 total factors (including 1 and itself).   See primes in Base 21 Unovigesimal

A Composite

Composites have more than just these two factors.

One hundred and thirty-nine thousand nine hundred and ninety-one is a composite number with 2 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 thirty-nine thousand nine hundred and ninety-one has the following 1 prime factor:

139991
f29521
One Hundred and Thirty-Nine Thousand Nine Hundred and Ninety-One in Base 21 Unovigesimal

Prime Factorization

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

f295211 = f29521

Base Conversions

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