The Number

81006

Eighty-One Thousand and Six

In Base 21 Unovigesimal Is

8fe921

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

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

Nearby Numbers

Positive, nonzero integers within three units

81003
8fe621
Eighty-One Thousand and Three in Base 21 Unovigesimal
81004
8fe721
Eighty-One Thousand and Four in Base 21 Unovigesimal
81005
8fe821
Eighty-One Thousand and Five in Base 21 Unovigesimal
81007
8fea21
Eighty-One Thousand and Seven in Base 21 Unovigesimal
81008
8feb21
Eighty-One Thousand and Eight in Base 21 Unovigesimal
81009
8fec21
Eighty-One Thousand and Nine in Base 21 Unovigesimal

Scientific Notation

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

8.1006e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000288g063kf90k321

The reciprocal of 81006 in Base 21 Unovigesimal.

Palindrome?

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

The number 8fe921 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 and six is a composite number with 16 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 and six is a composite number with 16 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 and six has the following 4 prime factors:

2
221
Two in Base 21 Unovigesimal
3
321
Three in Base 21 Unovigesimal
23
1221
Twenty-Three in Base 21 Unovigesimal
587
16k21
Five Hundred and Eighty-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

2211 · 3211 · 12211 · 16k211 = 8fe921

Base Conversions

The number eighty-one thousand and six in 35 different bases