The Number

81011

Eighty-One Thousand and Eleven

In Base 20 Vigesimal Is

a2ab20

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

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

Nearby Numbers

Positive, nonzero integers within three units

81008
a2a820
Eighty-One Thousand and Eight in Base 20 Vigesimal
81009
a2a920
Eighty-One Thousand and Nine in Base 20 Vigesimal
81010
a2aa20
Eighty-One Thousand and Ten 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
81014
a2ae20
Eighty-One Thousand and Fourteen in Base 20 Vigesimal

Scientific Notation

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

8.1011e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0001ja0697613d8720

The reciprocal of 81011 in Base 20 Vigesimal.

Palindrome?

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

The number a2ab20 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 eleven 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 eleven 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 eleven has the following 3 prime factors:

7
720
Seven in Base 20 Vigesimal
71
3b20
Seventy-One in Base 20 Vigesimal
163
8320
One 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

7201 · 3b201 · 83201 = a2ab20

Base Conversions

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