The Number

309981

Three Hundred and Nine Thousand Nine Hundred and Eighty-One

In Base 12 Duodecimal Is

12b47912

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

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

Nearby Numbers

Positive, nonzero integers within three units

309978
12b47612
Three Hundred and Nine Thousand Nine Hundred and Seventy-Eight in Base 12 Duodecimal
309979
12b47712
Three Hundred and Nine Thousand Nine Hundred and Seventy-Nine in Base 12 Duodecimal
309980
12b47812
Three Hundred and Nine Thousand Nine Hundred and Eighty in Base 12 Duodecimal
309982
12b47a12
Three Hundred and Nine Thousand Nine Hundred and Eighty-Two in Base 12 Duodecimal
309983
12b47b12
Three Hundred and Nine Thousand Nine Hundred and Eighty-Three in Base 12 Duodecimal
309984
12b48012
Three Hundred and Nine Thousand Nine 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.

3.09981e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0000097715813235455712

The reciprocal of 309981 in Base 12 Duodecimal.

Palindrome?

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

The number 12b47912 is not a palindrome.

Not A Prime Number

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

Three hundred and nine thousand nine hundred and eighty-one 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.

Three hundred and nine thousand nine hundred and eighty-one 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 three hundred and nine thousand nine hundred and eighty-one has the following 4 prime factors:

3
312
Three in Base 12 Duodecimal
7
712
Seven in Base 12 Duodecimal
29
2512
Twenty-Nine in Base 12 Duodecimal
509
36512
Five Hundred and Nine 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 · 25121 · 365121 = 12b47912

Base Conversions

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