The Number

81480

Eighty-One Thousand Four Hundred and Eighty

In Base 20 Vigesimal Is

a3e020

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

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

Nearby Numbers

Positive, nonzero integers within three units

81477
a3dh20
Eighty-One Thousand Four Hundred and Seventy-Seven in Base 20 Vigesimal
81478
a3di20
Eighty-One Thousand Four Hundred and Seventy-Eight in Base 20 Vigesimal
81479
a3dj20
Eighty-One Thousand Four Hundred and Seventy-Nine in Base 20 Vigesimal
81481
a3e120
Eighty-One Thousand Four Hundred and Eighty-One in Base 20 Vigesimal
81482
a3e220
Eighty-One Thousand Four Hundred and Eighty-Two in Base 20 Vigesimal
81483
a3e320
Eighty-One Thousand Four Hundred and Eighty-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.

8.1480e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0001j597ac593c1720

The reciprocal of 81480 in Base 20 Vigesimal.

Palindrome?

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

The number a3e020 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 eighty is a composite number with 64 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 eighty is a composite number with 64 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 eighty has the following 5 prime factors:

2
220
Two in Base 20 Vigesimal
3
320
Three in Base 20 Vigesimal
5
520
Five in Base 20 Vigesimal
7
720
Seven in Base 20 Vigesimal
97
4h20
Ninety-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 · 7201 · 4h201 = a3e020

Base Conversions

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