The Number

82981

Eighty-Two Thousand Nine Hundred and Eighty-One

In Base 21 Unovigesimal Is

8k3a21

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

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

Nearby Numbers

Positive, nonzero integers within three units

82978
8k3721
Eighty-Two Thousand Nine Hundred and Seventy-Eight in Base 21 Unovigesimal
82979
8k3821
Eighty-Two Thousand Nine Hundred and Seventy-Nine in Base 21 Unovigesimal
82980
8k3921
Eighty-Two Thousand Nine Hundred and Eighty in Base 21 Unovigesimal
82982
8k3b21
Eighty-Two Thousand Nine Hundred and Eighty-Two in Base 21 Unovigesimal
82983
8k3c21
Eighty-Two Thousand Nine Hundred and Eighty-Three in Base 21 Unovigesimal
82984
8k3d21
Eighty-Two Thousand Nine Hundred and Eighty-Four in Base 21 Unovigesimal

Scientific Notation

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

8.2981e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000274bh9589hjd321

The reciprocal of 82981 in Base 21 Unovigesimal.

Palindrome?

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

The number 8k3a21 is not a palindrome.

A Prime Number

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

Eighty-two thousand nine hundred and eighty-one is the 8105th prime number.   See primes in Base 21 Unovigesimal

Not A Composite

Composites have more than just these two factors.

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

Prime Factors

The prime factors of a positive integer are the integers that divide it exactly and are also prime.

The number eighty-two thousand nine hundred and eighty-one has the following 1 prime factor:

82981
8k3a21
Eighty-Two Thousand Nine Hundred and Eighty-One in Base 21 Unovigesimal

Prime Factorization

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

8k3a211 = 8k3a21

Base Conversions

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