The Number

81501

Eighty-One Thousand Five Hundred and One

In Base 20 Vigesimal Is

a3f120

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

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

Nearby Numbers

Positive, nonzero integers within three units

81498
a3ei20
Eighty-One Thousand Four Hundred and Ninety-Eight in Base 20 Vigesimal
81499
a3ej20
Eighty-One Thousand Four Hundred and Ninety-Nine in Base 20 Vigesimal
81500
a3f020
Eighty-One Thousand Five Hundred in Base 20 Vigesimal
81502
a3f220
Eighty-One Thousand Five Hundred and Two in Base 20 Vigesimal
81503
a3f320
Eighty-One Thousand Five Hundred and Three in Base 20 Vigesimal
81504
a3f420
Eighty-One Thousand Five Hundred and Four in Base 20 Vigesimal

Scientific Notation

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

8.1501e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0001j556ba30e47620

The reciprocal of 81501 in Base 20 Vigesimal.

Palindrome?

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

The number a3f120 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 five hundred and one is a composite number with 8 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 five hundred and one is a composite number with 8 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 five hundred and one has the following 3 prime factors:

3
320
Three in Base 20 Vigesimal
7
720
Seven in Base 20 Vigesimal
3881
9e120
Three Thousand Eight Hundred and Eighty-One in Base 20 Vigesimal

Prime Factorization

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

3201 · 7201 · 9e1201 = a3f120

Base Conversions

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