The Number

81016

Eighty-One Thousand and Sixteen

In Base 21 Unovigesimal Is

8fej21

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

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

Nearby Numbers

Positive, nonzero integers within three units

81013
8feg21
Eighty-One Thousand and Thirteen in Base 21 Unovigesimal
81014
8feh21
Eighty-One Thousand and Fourteen in Base 21 Unovigesimal
81015
8fei21
Eighty-One Thousand and Fifteen in Base 21 Unovigesimal
81017
8fek21
Eighty-One Thousand and Seventeen in Base 21 Unovigesimal
81018
8ff021
Eighty-One Thousand and Eightteen in Base 21 Unovigesimal
81019
8ff121
Eighty-One Thousand and Nineteen in Base 21 Unovigesimal

Scientific Notation

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

8.1016e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000288d5dj2a4c521

The reciprocal of 81016 in Base 21 Unovigesimal.

Palindrome?

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

The number 8fej21 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 sixteen is a composite number with 32 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 sixteen is a composite number with 32 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 sixteen has the following 4 prime factors:

2
221
Two in Base 21 Unovigesimal
13
d21
Thirteen in Base 21 Unovigesimal
19
j21
Nineteen in Base 21 Unovigesimal
41
1k21
Forty-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

2213 · d211 · j211 · 1k211 = 8fej21

Base Conversions

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