The Number

81802

Eighty-One Thousand Eight Hundred and Two

In Base 20 Vigesimal Is

a4a220

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

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

Nearby Numbers

Positive, nonzero integers within three units

81799
a49j20
Eighty-One Thousand Seven Hundred and Ninety-Nine in Base 20 Vigesimal
81800
a4a020
Eighty-One Thousand Eight Hundred in Base 20 Vigesimal
81801
a4a120
Eighty-One Thousand Eight Hundred and One in Base 20 Vigesimal
81803
a4a320
Eighty-One Thousand Eight Hundred and Three in Base 20 Vigesimal
81804
a4a420
Eighty-One Thousand Eight Hundred and Four in Base 20 Vigesimal
81805
a4a520
Eighty-One Thousand Eight Hundred and Five in Base 20 Vigesimal

Scientific Notation

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

8.1802e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0001j27afd8fi31920

The reciprocal of 81802 in Base 20 Vigesimal.

Palindrome?

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

The number a4a220 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 eight hundred and two 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 eight hundred and two 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 eight hundred and two has the following 3 prime factors:

2
220
Two in Base 20 Vigesimal
7
720
Seven in Base 20 Vigesimal
5843
ec320
Five Thousand Eight Hundred and Forty-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

2201 · 7201 · ec3201 = a4a220

Base Conversions

The number eighty-one thousand eight hundred and two in 35 different bases