The Number

81478

Eighty-One Thousand Four Hundred and Seventy-Eight

In Base 20 Vigesimal Is

a3di20

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

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

Nearby Numbers

Positive, nonzero integers within three units

81475
a3df20
Eighty-One Thousand Four Hundred and Seventy-Five in Base 20 Vigesimal
81476
a3dg20
Eighty-One Thousand Four Hundred and Seventy-Six in Base 20 Vigesimal
81477
a3dh20
Eighty-One Thousand Four Hundred and Seventy-Seven in Base 20 Vigesimal
81479
a3dj20
Eighty-One Thousand Four Hundred and Seventy-Nine in Base 20 Vigesimal
81480
a3e020
Eighty-One Thousand Four Hundred and Eighty in Base 20 Vigesimal
81481
a3e120
Eighty-One Thousand Four Hundred and Eighty-One in Base 20 Vigesimal

Scientific Notation

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

8.1478e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0001j59f4h3209ci20

The reciprocal of 81478 in Base 20 Vigesimal.

Palindrome?

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

The number a3di20 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 seventy-eight is a composite number with 4 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 seventy-eight is a composite number with 4 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 seventy-eight has the following 2 prime factors:

2
220
Two in Base 20 Vigesimal
40739
51gj20
Forty Thousand Seven Hundred and Thirty-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

2201 · 51gj201 = a3di20

Base Conversions

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