The Number

81240

Eighty-One Thousand Two Hundred and Forty

In Base 20 Vigesimal Is

a32020

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

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

Nearby Numbers

Positive, nonzero integers within three units

81237
a31h20
Eighty-One Thousand Two Hundred and Thirty-Seven in Base 20 Vigesimal
81238
a31i20
Eighty-One Thousand Two Hundred and Thirty-Eight in Base 20 Vigesimal
81239
a31j20
Eighty-One Thousand Two Hundred and Thirty-Nine in Base 20 Vigesimal
81241
a32120
Eighty-One Thousand Two Hundred and Forty-One in Base 20 Vigesimal
81242
a32220
Eighty-One Thousand Two Hundred and Forty-Two in Base 20 Vigesimal
81243
a32320
Eighty-One Thousand Two Hundred and Forty-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.

8.1240e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0001j7ffe2c7f3hh20

The reciprocal of 81240 in Base 20 Vigesimal.

Palindrome?

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

The number a32020 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 two hundred and forty is a composite number with 32 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 two hundred and forty is a composite number with 32 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 two hundred and forty has the following 4 prime factors:

2
220
Two in Base 20 Vigesimal
3
320
Three in Base 20 Vigesimal
5
520
Five in Base 20 Vigesimal
677
1dh20
Six Hundred and Seventy-Seven in Base 20 Vigesimal

Prime Factorization

The prime factorization of a positive integer is the unique list of prime factors together with their multiplicities

2203 · 3201 · 5201 · 1dh201 = a32020

Base Conversions

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