The Number

81481

Eighty-One Thousand Four Hundred and Eighty-One

In Base 12 Duodecimal Is

3b1a112

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

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

Nearby Numbers

Positive, nonzero integers within three units

81478
3b19a12
Eighty-One Thousand Four Hundred and Seventy-Eight in Base 12 Duodecimal
81479
3b19b12
Eighty-One Thousand Four Hundred and Seventy-Nine in Base 12 Duodecimal
81480
3b1a012
Eighty-One Thousand Four Hundred and Eighty in Base 12 Duodecimal
81482
3b1a212
Eighty-One Thousand Four Hundred and Eighty-Two in Base 12 Duodecimal
81483
3b1a312
Eighty-One Thousand Four Hundred and Eighty-Three in Base 12 Duodecimal
81484
3b1a412
Eighty-One Thousand Four Hundred and Eighty-Four in Base 12 Duodecimal

Scientific Notation

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

8.1481e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000030790b4b8abb00912

The reciprocal of 81481 in Base 12 Duodecimal.

Palindrome?

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

The number 3b1a112 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 four hundred and eighty-one is a composite number with 4 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 four hundred and eighty-one is a composite number with 4 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 four hundred and eighty-one has the following 2 prime factors:

17
1512
Seventeen in Base 12 Duodecimal
4793
293512
Four Thousand Seven Hundred and Ninety-Three in Base 12 Duodecimal

Prime Factorization

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

15121 · 2935121 = 3b1a112

Base Conversions

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