The Number

20181

Twenty Thousand One Hundred and Eighty-One

In Base 12 Duodecimal Is

b81912

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

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

Nearby Numbers

Positive, nonzero integers within three units

20178
b81612
Twenty Thousand One Hundred and Seventy-Eight in Base 12 Duodecimal
20179
b81712
Twenty Thousand One Hundred and Seventy-Nine in Base 12 Duodecimal
20180
b81812
Twenty Thousand One Hundred and Eighty in Base 12 Duodecimal
20182
b81a12
Twenty Thousand One Hundred and Eighty-Two in Base 12 Duodecimal
20183
b81b12
Twenty Thousand One Hundred and Eighty-Three in Base 12 Duodecimal
20184
b82012
Twenty Thousand One 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.

2.0181e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000103b631a804551b512

The reciprocal of 20181 in Base 12 Duodecimal.

Palindrome?

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

The number b81912 is not a palindrome.

Not A Prime Number

A prime number is a positive integer that is divisible only by itself and one.

Twenty thousand one hundred and eighty-one is a composite number with 12 total factors (including 1 and itself).   See primes in Base 12 Duodecimal

A Composite

Composites have more than just these two factors.

Twenty thousand one hundred and eighty-one is a composite number with 12 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 twenty thousand one hundred and eighty-one has the following 3 prime factors:

3
312
Three in Base 12 Duodecimal
7
712
Seven 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

3121 · 7121 · 27122 = b81912

Base Conversions

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