The Number

81440

Eighty-One Thousand Four Hundred and Forty

In Base 20 Vigesimal Is

a3c020

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

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

Nearby Numbers

Positive, nonzero integers within three units

81437
a3bh20
Eighty-One Thousand Four Hundred and Thirty-Seven in Base 20 Vigesimal
81438
a3bi20
Eighty-One Thousand Four Hundred and Thirty-Eight in Base 20 Vigesimal
81439
a3bj20
Eighty-One Thousand Four Hundred and Thirty-Nine in Base 20 Vigesimal
81441
a3c120
Eighty-One Thousand Four Hundred and Forty-One in Base 20 Vigesimal
81442
a3c220
Eighty-One Thousand Four Hundred and Forty-Two in Base 20 Vigesimal
81443
a3c320
Eighty-One Thousand Four 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.

8.1440e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0001j5h1gie16e7c20

The reciprocal of 81440 in Base 20 Vigesimal.

Palindrome?

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

The number a3c020 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 four hundred and forty is a composite number with 24 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 four hundred and forty is a composite number with 24 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 four hundred and forty has the following 3 prime factors:

2
220
Two in Base 20 Vigesimal
5
520
Five in Base 20 Vigesimal
509
15920
Five Hundred and Nine in Base 20 Vigesimal

Prime Factorization

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

2205 · 5201 · 159201 = a3c020

Base Conversions

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