The Number

81010

Eighty-One Thousand and Ten

In Base 20 Vigesimal Is

a2aa20

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

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

Nearby Numbers

Positive, nonzero integers within three units

81007
a2a720
Eighty-One Thousand and Seven in Base 20 Vigesimal
81008
a2a820
Eighty-One Thousand and Eight in Base 20 Vigesimal
81009
a2a920
Eighty-One Thousand and Nine in Base 20 Vigesimal
81011
a2ab20
Eighty-One Thousand and Eleven in Base 20 Vigesimal
81012
a2ac20
Eighty-One Thousand and Twelve in Base 20 Vigesimal
81013
a2ad20
Eighty-One Thousand and Thirteen in Base 20 Vigesimal

Scientific Notation

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

8.1010e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0001ja0a77ce8f1g20

The reciprocal of 81010 in Base 20 Vigesimal.

Palindrome?

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

The number a2aa20 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 ten 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 and ten 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 and ten has the following 3 prime factors:

2
220
Two in Base 20 Vigesimal
5
520
Five in Base 20 Vigesimal
8101
105120
Eight Thousand One Hundred and 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

2201 · 5201 · 1051201 = a2aa20

Base Conversions

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