The Number

81604

Eighty-One Thousand Six Hundred and Four

In Base 20 Vigesimal Is

a40420

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

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

Nearby Numbers

Positive, nonzero integers within three units

81601
a40120
Eighty-One Thousand Six Hundred and One in Base 20 Vigesimal
81602
a40220
Eighty-One Thousand Six Hundred and Two in Base 20 Vigesimal
81603
a40320
Eighty-One Thousand Six Hundred and Three in Base 20 Vigesimal
81605
a40520
Eighty-One Thousand Six Hundred and Five in Base 20 Vigesimal
81606
a40620
Eighty-One Thousand Six Hundred and Six in Base 20 Vigesimal
81607
a40720
Eighty-One Thousand Six Hundred and 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.

8.1604e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0001j45a24hji1b820

The reciprocal of 81604 in Base 20 Vigesimal.

Palindrome?

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

The number a40420 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 six hundred and 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 six hundred and 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 six hundred and four has the following 3 prime factors:

2
220
Two in Base 20 Vigesimal
23
1320
Twenty-Three in Base 20 Vigesimal
887
24720
Eight Hundred and Eighty-Seven 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 · 13201 · 247201 = a40420

Base Conversions

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