The Number

81315

Eighty-One Thousand Three Hundred and Fifteen

In Base 20 Vigesimal Is

a35f20

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

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

Nearby Numbers

Positive, nonzero integers within three units

81312
a35c20
Eighty-One Thousand Three Hundred and Twelve in Base 20 Vigesimal
81313
a35d20
Eighty-One Thousand Three Hundred and Thirteen in Base 20 Vigesimal
81314
a35e20
Eighty-One Thousand Three Hundred and Fourteen in Base 20 Vigesimal
81316
a35g20
Eighty-One Thousand Three Hundred and Sixteen in Base 20 Vigesimal
81317
a35h20
Eighty-One Thousand Three Hundred and Seventeen in Base 20 Vigesimal
81318
a35i20
Eighty-One Thousand Three Hundred and Eightteen in Base 20 Vigesimal

Scientific Notation

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

8.1315e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0001j71515444g2620

The reciprocal of 81315 in Base 20 Vigesimal.

Palindrome?

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

The number a35f20 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 three hundred and fifteen 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 three hundred and fifteen 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 three hundred and fifteen has the following 4 prime factors:

3
320
Three in Base 20 Vigesimal
5
520
Five in Base 20 Vigesimal
13
d20
Thirteen in Base 20 Vigesimal
139
6j20
One 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

3202 · 5201 · d201 · 6j201 = a35f20

Base Conversions

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