The Number

81840

Eighty-One Thousand Eight Hundred and Forty

In Base 12 Duodecimal Is

3b44012

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

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

Nearby Numbers

Positive, nonzero integers within three units

81837
3b43912
Eighty-One Thousand Eight Hundred and Thirty-Seven in Base 12 Duodecimal
81838
3b43a12
Eighty-One Thousand Eight Hundred and Thirty-Eight in Base 12 Duodecimal
81839
3b43b12
Eighty-One Thousand Eight Hundred and Thirty-Nine in Base 12 Duodecimal
81841
3b44112
Eighty-One Thousand Eight Hundred and Forty-One in Base 12 Duodecimal
81842
3b44212
Eighty-One Thousand Eight Hundred and Forty-Two in Base 12 Duodecimal
81843
3b44312
Eighty-One Thousand Eight Hundred and Forty-Three in Base 12 Duodecimal

Scientific Notation

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

8.1840e4

Reciprocal

A number multiplied with its reciprocal is one.

0.00003059b204a947bb3512

The reciprocal of 81840 in Base 12 Duodecimal.

Palindrome?

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

The number 3b44012 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 is a composite number with 80 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 eight hundred and forty is a composite number with 80 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 has the following 5 prime factors:

2
212
Two in Base 12 Duodecimal
3
312
Three in Base 12 Duodecimal
5
512
Five in Base 12 Duodecimal
11
b12
Eleven in Base 12 Duodecimal
31
2712
Thirty-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

2124 · 3121 · 5121 · b121 · 27121 = 3b44012

Base Conversions

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