The Number

71991

Seventy-One Thousand Nine Hundred and Ninety-One

In Base 20 Vigesimal Is

8jjb20

The numbers with a 20 subscript use Base 20 Vigesimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

71988
8jj820
Seventy-One Thousand Nine Hundred and Eighty-Eight in Base 20 Vigesimal
71989
8jj920
Seventy-One Thousand Nine Hundred and Eighty-Nine in Base 20 Vigesimal
71990
8jja20
Seventy-One Thousand Nine Hundred and Ninety in Base 20 Vigesimal
71992
8jjc20
Seventy-One Thousand Nine Hundred and Ninety-Two in Base 20 Vigesimal
71993
8jjd20
Seventy-One Thousand Nine Hundred and Ninety-Three in Base 20 Vigesimal
71994
8jje20
Seventy-One Thousand Nine Hundred and Ninety-Four in Base 20 Vigesimal

Scientific Notation

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

7.1991e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000249000249000220

The reciprocal of 71991 in Base 20 Vigesimal.

Palindrome?

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

The number 8jjb20 is not a palindrome.

Not A Prime Number

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

Seventy-one thousand nine hundred and ninety-one is a composite number with 12 total factors (including 1 and itself).   See primes in Base 20 Vigesimal

A Composite

Composites have more than just these two factors.

Seventy-one thousand nine hundred and ninety-one is a composite number with 12 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 seventy-one thousand nine hundred and ninety-one has the following 3 prime factors:

3
320
Three in Base 20 Vigesimal
19
j20
Nineteen in Base 20 Vigesimal
421
11120
Four Hundred and Twenty-One in Base 20 Vigesimal

Prime Factorization

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

3202 · j201 · 111201 = 8jjb20

Base Conversions

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