The Number

81

Eighty-One

In Base 23 Trivigesimal Is

3c23

The numbers with a 23 subscript use Base 23 Trivigesimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

78
3923
Seventy-Eight in Base 23 Trivigesimal
79
3a23
Seventy-Nine in Base 23 Trivigesimal
80
3b23
Eighty in Base 23 Trivigesimal
82
3d23
Eighty-Two in Base 23 Trivigesimal
83
3e23
Eighty-Three in Base 23 Trivigesimal
84
3f23
Eighty-Four in Base 23 Trivigesimal

Scientific Notation

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

8.1e1

Reciprocal

A number multiplied with its reciprocal is one.

0.06c4j0d19f132d23

The reciprocal of 81 in Base 23 Trivigesimal.

Palindrome?

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

The number 3c23 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 is a composite number with 5 total factors (including 1 and itself).   See primes in Base 23 Trivigesimal

A Composite

Composites have more than just these two factors.

Eighty-one is a composite number with 5 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 has the following 1 prime factor:

3
323
Three in Base 23 Trivigesimal

Prime Factorization

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

3234 = 3c23

Base Conversions

The number eighty-one in 35 different bases