The Number

81004

Eighty-One Thousand and Four

In Base 20 Vigesimal Is

a2a420

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

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

Nearby Numbers

Positive, nonzero integers within three units

81001
a2a120
Eighty-One Thousand and One in Base 20 Vigesimal
81002
a2a220
Eighty-One Thousand and Two in Base 20 Vigesimal
81003
a2a320
Eighty-One Thousand and Three in Base 20 Vigesimal
81005
a2a520
Eighty-One Thousand and Five in Base 20 Vigesimal
81006
a2a620
Eighty-One Thousand and Six in Base 20 Vigesimal
81007
a2a720
Eighty-One Thousand 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.

8.1004e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0001ja1dfa8hb8bh20

The reciprocal of 81004 in Base 20 Vigesimal.

Palindrome?

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

The number a2a420 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 and four is a composite number with 24 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 and four is a composite number with 24 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 and four has the following 4 prime factors:

2
220
Two in Base 20 Vigesimal
7
720
Seven in Base 20 Vigesimal
11
b20
Eleven in Base 20 Vigesimal
263
d320
Two Hundred and Sixty-Three 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 · 7201 · b201 · d3201 = a2a420

Base Conversions

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