The Number

81993

Eighty-One Thousand Nine Hundred and Ninety-Three

In Base 20 Vigesimal Is

a4jd20

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

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

Nearby Numbers

Positive, nonzero integers within three units

81990
a4ja20
Eighty-One Thousand Nine Hundred and Ninety in Base 20 Vigesimal
81991
a4jb20
Eighty-One Thousand Nine Hundred and Ninety-One in Base 20 Vigesimal
81992
a4jc20
Eighty-One Thousand Nine Hundred and Ninety-Two in Base 20 Vigesimal
81994
a4je20
Eighty-One Thousand Nine Hundred and Ninety-Four in Base 20 Vigesimal
81995
a4jf20
Eighty-One Thousand Nine Hundred and Ninety-Five in Base 20 Vigesimal
81996
a4jg20
Eighty-One Thousand Nine Hundred and Ninety-Six in Base 20 Vigesimal

Scientific Notation

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

8.1993e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0001j0b1fa04ecgj20

The reciprocal of 81993 in Base 20 Vigesimal.

Palindrome?

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

The number a4jd20 is not a palindrome.

Not A Prime Number

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

Eighty-one thousand nine hundred and ninety-three is a composite number with 8 total factors (including 1 and itself).   See primes in Base 20 Vigesimal

A Composite

Composites have more than just these two factors.

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

3
320
Three in Base 20 Vigesimal
151
7b20
One Hundred and Fifty-One in Base 20 Vigesimal
181
9120
One Hundred and Eighty-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

3201 · 7b201 · 91201 = a4jd20

Base Conversions

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