The Number

81964

Eighty-One Thousand Nine Hundred and Sixty-Four

In Base 20 Vigesimal Is

a4i420

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

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

Nearby Numbers

Positive, nonzero integers within three units

81961
a4i120
Eighty-One Thousand Nine Hundred and Sixty-One in Base 20 Vigesimal
81962
a4i220
Eighty-One Thousand Nine Hundred and Sixty-Two in Base 20 Vigesimal
81963
a4i320
Eighty-One Thousand Nine Hundred and Sixty-Three in Base 20 Vigesimal
81965
a4i520
Eighty-One Thousand Nine Hundred and Sixty-Five in Base 20 Vigesimal
81966
a4i620
Eighty-One Thousand Nine Hundred and Sixty-Six in Base 20 Vigesimal
81967
a4i720
Eighty-One Thousand Nine Hundred and Sixty-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.

8.1964e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0001j0gc4h77gc6120

The reciprocal of 81964 in Base 20 Vigesimal.

Palindrome?

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

The number a4i420 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 sixty-four 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.

Eighty-one thousand nine hundred and sixty-four 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 eighty-one thousand nine hundred and sixty-four has the following 3 prime factors:

2
220
Two in Base 20 Vigesimal
31
1b20
Thirty-One in Base 20 Vigesimal
661
1d120
Six Hundred and 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

2202 · 1b201 · 1d1201 = a4i420

Base Conversions

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