The Number

81984

Eighty-One Thousand Nine Hundred and Eighty-Four

In Base 20 Vigesimal Is

a4j420

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

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

Nearby Numbers

Positive, nonzero integers within three units

81981
a4j120
Eighty-One Thousand Nine Hundred and Eighty-One in Base 20 Vigesimal
81982
a4j220
Eighty-One Thousand Nine Hundred and Eighty-Two in Base 20 Vigesimal
81983
a4j320
Eighty-One Thousand Nine Hundred and Eighty-Three in Base 20 Vigesimal
81985
a4j520
Eighty-One Thousand Nine Hundred and Eighty-Five in Base 20 Vigesimal
81986
a4j620
Eighty-One Thousand Nine Hundred and Eighty-Six in Base 20 Vigesimal
81987
a4j720
Eighty-One Thousand Nine Hundred and Eighty-Seven in Base 20 Vigesimal

Scientific Notation

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

8.1984e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0001j0cg0jjdf1j20

The reciprocal of 81984 in Base 20 Vigesimal.

Palindrome?

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

The number a4j420 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 eighty-four is a composite number with 56 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 eighty-four is a composite number with 56 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 eighty-four has the following 4 prime factors:

2
220
Two in Base 20 Vigesimal
3
320
Three in Base 20 Vigesimal
7
720
Seven in Base 20 Vigesimal
61
3120
Sixty-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

2206 · 3201 · 7201 · 31201 = a4j420

Base Conversions

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