The Number

81213

Eighty-One Thousand Two Hundred and Thirteen

In Base 12 Duodecimal Is

3abb912

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

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

Nearby Numbers

Positive, nonzero integers within three units

81210
3abb612
Eighty-One Thousand Two Hundred and Ten in Base 12 Duodecimal
81211
3abb712
Eighty-One Thousand Two Hundred and Eleven in Base 12 Duodecimal
81212
3abb812
Eighty-One Thousand Two Hundred and Twelve in Base 12 Duodecimal
81214
3abba12
Eighty-One Thousand Two Hundred and Fourteen in Base 12 Duodecimal
81215
3abbb12
Eighty-One Thousand Two Hundred and Fifteen in Base 12 Duodecimal
81216
3b00012
Eighty-One Thousand Two Hundred and Sixteen in Base 12 Duodecimal

Scientific Notation

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

8.1213e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000030925b08054a2a9612

The reciprocal of 81213 in Base 12 Duodecimal.

Palindrome?

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

The number 3abb912 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 two hundred and thirteen is a composite number with 16 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 two hundred and thirteen is a composite number with 16 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 two hundred and thirteen has the following 4 prime factors:

3
312
Three in Base 12 Duodecimal
11
b12
Eleven in Base 12 Duodecimal
23
1b12
Twenty-Three in Base 12 Duodecimal
107
8b12
One Hundred and Seven 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 · b121 · 1b121 · 8b121 = 3abb912

Base Conversions

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