The Number

81564

Eighty-One Thousand Five Hundred and Sixty-Four

In Base 12 Duodecimal Is

3b25012

The numbers with a 12 subscript use Base 12 Duodecimal notation.

For more familiar numbers: See Eighty-One Thousand Five Hundred and Sixty-Four in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

81561
3b24912
Eighty-One Thousand Five Hundred and Sixty-One in Base 12 Duodecimal
81562
3b24a12
Eighty-One Thousand Five Hundred and Sixty-Two in Base 12 Duodecimal
81563
3b24b12
Eighty-One Thousand Five Hundred and Sixty-Three in Base 12 Duodecimal
81565
3b25112
Eighty-One Thousand Five Hundred and Sixty-Five in Base 12 Duodecimal
81566
3b25212
Eighty-One Thousand Five Hundred and Sixty-Six in Base 12 Duodecimal
81567
3b25312
Eighty-One Thousand Five Hundred and Sixty-Seven in Base 12 Duodecimal

Scientific Notation

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

8.1564e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0000307386178525577612

The reciprocal of 81564 in Base 12 Duodecimal.

Palindrome?

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

The number 3b25012 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 five hundred and sixty-four is a composite number with 24 total factors (including 1 and itself).   See primes in Base 12 Duodecimal

A Composite

Composites have more than just these two factors.

Eighty-one thousand five hundred and sixty-four is a composite number with 24 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 five hundred and sixty-four has the following 4 prime factors:

2
212
Two in Base 12 Duodecimal
3
312
Three in Base 12 Duodecimal
7
712
Seven in Base 12 Duodecimal
971
68b12
Nine Hundred and Seventy-One in Base 12 Duodecimal

Prime Factorization

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

2122 · 3121 · 7121 · 68b121 = 3b25012

Base Conversions

The number eighty-one thousand five hundred and sixty-four in 35 different bases