The Number

81100

Eighty-One Thousand One Hundred

In Base 20 Vigesimal Is

a2f020

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

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

Nearby Numbers

Positive, nonzero integers within three units

81097
a2eh20
Eighty-One Thousand and Ninety-Seven in Base 20 Vigesimal
81098
a2ei20
Eighty-One Thousand and Ninety-Eight in Base 20 Vigesimal
81099
a2ej20
Eighty-One Thousand and Ninety-Nine in Base 20 Vigesimal
81101
a2f120
Eighty-One Thousand One Hundred and One in Base 20 Vigesimal
81102
a2f220
Eighty-One Thousand One Hundred and Two in Base 20 Vigesimal
81103
a2f320
Eighty-One Thousand One Hundred and Three in Base 20 Vigesimal

Scientific Notation

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

8.1100e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0001j92jdbf560gf20

The reciprocal of 81100 in Base 20 Vigesimal.

Palindrome?

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

The number a2f020 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 one hundred is a composite number with 18 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 one hundred is a composite number with 18 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 one hundred has the following 3 prime factors:

2
220
Two in Base 20 Vigesimal
5
520
Five in Base 20 Vigesimal
811
20b20
Eight Hundred and Eleven 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 · 5202 · 20b201 = a2f020

Base Conversions

The number eighty-one thousand one hundred in 35 different bases