The Number

30981

Thirty Thousand Nine Hundred and Eighty-One

In Base 13 Tridecimal Is

1114213

The numbers with a 13 subscript use Base 13 Tridecimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

30978
1113c13
Thirty Thousand Nine Hundred and Seventy-Eight in Base 13 Tridecimal
30979
1114013
Thirty Thousand Nine Hundred and Seventy-Nine in Base 13 Tridecimal
30980
1114113
Thirty Thousand Nine Hundred and Eighty in Base 13 Tridecimal
30982
1114313
Thirty Thousand Nine Hundred and Eighty-Two in Base 13 Tridecimal
30983
1114413
Thirty Thousand Nine Hundred and Eighty-Three in Base 13 Tridecimal
30984
1114513
Thirty 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.

3.0981e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0000bca5055378a791713

The reciprocal of 30981 in Base 13 Tridecimal.

Palindrome?

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

The number 1114213 is not a palindrome.

Not A Prime Number

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

Thirty thousand nine hundred and eighty-one is a composite number with 8 total factors (including 1 and itself).   See primes in Base 13 Tridecimal

A Composite

Composites have more than just these two factors.

Thirty thousand nine hundred and eighty-one is a composite number with 8 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 thirty thousand nine hundred and eighty-one has the following 3 prime factors:

3
313
Three in Base 13 Tridecimal
23
1a13
Twenty-Three in Base 13 Tridecimal
449
28713
Four Hundred and Forty-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 · 1a131 · 287131 = 1114213

Base Conversions

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