The Number

309981

Three Hundred and Nine Thousand Nine Hundred and Eighty-One

In Base 13 Tridecimal Is

ab12913

The numbers with a 13 subscript use Base 13 Tridecimal 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
ab12613
Three Hundred and Nine Thousand Nine Hundred and Seventy-Eight in Base 13 Tridecimal
309979
ab12713
Three Hundred and Nine Thousand Nine Hundred and Seventy-Nine in Base 13 Tridecimal
309980
ab12813
Three Hundred and Nine Thousand Nine Hundred and Eighty in Base 13 Tridecimal
309982
ab12a13
Three Hundred and Nine Thousand Nine Hundred and Eighty-Two in Base 13 Tridecimal
309983
ab12b13
Three Hundred and Nine Thousand Nine Hundred and Eighty-Three in Base 13 Tridecimal
309984
ab12c13
Three Hundred and Nine Thousand Nine Hundred and Eighty-Four in Base 13 Tridecimal

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.

0.00001275720bb284b9a13

The reciprocal of 309981 in Base 13 Tridecimal.

Palindrome?

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

The number ab12913 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 13 Tridecimal

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
313
Three in Base 13 Tridecimal
7
713
Seven in Base 13 Tridecimal
29
2313
Twenty-Nine in Base 13 Tridecimal
509
30213
Five Hundred and Nine in Base 13 Tridecimal

Prime Factorization

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

3131 · 7131 · 23131 · 302131 = ab12913

Base Conversions

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