The Number

81401

Eighty-One Thousand Four Hundred and One

In Base 20 Vigesimal Is

a3a120

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

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

Nearby Numbers

Positive, nonzero integers within three units

81398
a39i20
Eighty-One Thousand Three Hundred and Ninety-Eight in Base 20 Vigesimal
81399
a39j20
Eighty-One Thousand Three Hundred and Ninety-Nine in Base 20 Vigesimal
81400
a3a020
Eighty-One Thousand Four Hundred in Base 20 Vigesimal
81402
a3a220
Eighty-One Thousand Four Hundred and Two in Base 20 Vigesimal
81403
a3a320
Eighty-One Thousand Four Hundred and Three in Base 20 Vigesimal
81404
a3a420
Eighty-One Thousand Four 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.

8.1401e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0001j64c907c8c4820

The reciprocal of 81401 in Base 20 Vigesimal.

Palindrome?

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

The number a3a120 is not a palindrome.

A Prime Number

A prime number is a positive integer that is divisible only by itself and one.

Eighty-one thousand four hundred and one is the 7965th prime number.   See primes in Base 20 Vigesimal

Not A Composite

Composites have more than just these two factors.

Eighty-One Thousand Four Hundred and One is not a composite number because it has exactly two factors: One and Eighty-One Thousand Four Hundred and One

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 one has the following 1 prime factor:

81401
a3a120
Eighty-One Thousand Four Hundred and 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

a3a1201 = a3a120

Base Conversions

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