The Number

81353

Eighty-One Thousand Three Hundred and Fifty-Three

In Base 21 Unovigesimal Is

8g9k21

The numbers with a 21 subscript use Base 21 Unovigesimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

81350
8g9h21
Eighty-One Thousand Three Hundred and Fifty in Base 21 Unovigesimal
81351
8g9i21
Eighty-One Thousand Three Hundred and Fifty-One in Base 21 Unovigesimal
81352
8g9j21
Eighty-One Thousand Three Hundred and Fifty-Two in Base 21 Unovigesimal
81354
8ga021
Eighty-One Thousand Three Hundred and Fifty-Four in Base 21 Unovigesimal
81355
8ga121
Eighty-One Thousand Three Hundred and Fifty-Five in Base 21 Unovigesimal
81356
8ga221
Eighty-One Thousand Three Hundred and Fifty-Six in Base 21 Unovigesimal

Scientific Notation

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

8.1353e4

Reciprocal

A number multiplied with its reciprocal is one.

0.00028453f9e5ih3621

The reciprocal of 81353 in Base 21 Unovigesimal.

Palindrome?

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

The number 8g9k21 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 three hundred and fifty-three is the 7961st prime number.   See primes in Base 21 Unovigesimal

Not A Composite

Composites have more than just these two factors.

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

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 fifty-three has the following 1 prime factor:

81353
8g9k21
Eighty-One Thousand Three Hundred and Fifty-Three in Base 21 Unovigesimal

Prime Factorization

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

8g9k211 = 8g9k21

Base Conversions

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