The Number

81841

Eighty-One Thousand Eight Hundred and Forty-One

In Base 21 Unovigesimal Is

8hc421

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

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

Nearby Numbers

Positive, nonzero integers within three units

81838
8hc121
Eighty-One Thousand Eight Hundred and Thirty-Eight in Base 21 Unovigesimal
81839
8hc221
Eighty-One Thousand Eight Hundred and Thirty-Nine in Base 21 Unovigesimal
81840
8hc321
Eighty-One Thousand Eight Hundred and Forty in Base 21 Unovigesimal
81842
8hc521
Eighty-One Thousand Eight Hundred and Forty-Two in Base 21 Unovigesimal
81843
8hc621
Eighty-One Thousand Eight Hundred and Forty-Three in Base 21 Unovigesimal
81844
8hc721
Eighty-One Thousand Eight Hundred and Forty-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.

8.1841e4

Reciprocal

A number multiplied with its reciprocal is one.

0.00027ik3ac17h5k921

The reciprocal of 81841 in Base 21 Unovigesimal.

Palindrome?

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

The number 8hc421 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 eight hundred and forty-one is a composite number with 4 total factors (including 1 and itself).   See primes in Base 21 Unovigesimal

A Composite

Composites have more than just these two factors.

Eighty-one thousand eight hundred and forty-one is a composite number with 4 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 eight hundred and forty-one has the following 2 prime factors:

223
ad21
Two Hundred and Twenty-Three in Base 21 Unovigesimal
367
ha21
Three Hundred and Sixty-Seven in Base 21 Unovigesimal

Prime Factorization

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

ad211 · ha211 = 8hc421

Base Conversions

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