The Number

81400

Eighty-One Thousand Four Hundred

In Base 20 Vigesimal Is

a3a020

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

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

Nearby Numbers

Positive, nonzero integers within three units

81397
a39h20
Eighty-One Thousand Three Hundred and Ninety-Seven in Base 20 Vigesimal
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
81401
a3a120
Eighty-One Thousand Four Hundred and One 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

Scientific Notation

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

8.1400e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0001j64g65fj842b20

The reciprocal of 81400 in Base 20 Vigesimal.

Palindrome?

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

The number a3a020 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 is a composite number with 48 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 is a composite number with 48 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 has the following 4 prime factors:

2
220
Two in Base 20 Vigesimal
5
520
Five in Base 20 Vigesimal
11
b20
Eleven in Base 20 Vigesimal
37
1h20
Thirty-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 · 5202 · b201 · 1h201 = a3a020

Base Conversions

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