The Number

11981

Eleven Thousand Nine Hundred and Eighty-One

In Base 23 Trivigesimal Is

mel23

The numbers with a 23 subscript use Base 23 Trivigesimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

11978
mei23
Eleven Thousand Nine Hundred and Seventy-Eight in Base 23 Trivigesimal
11979
mej23
Eleven Thousand Nine Hundred and Seventy-Nine in Base 23 Trivigesimal
11980
mek23
Eleven Thousand Nine Hundred and Eighty in Base 23 Trivigesimal
11982
mem23
Eleven Thousand Nine Hundred and Eighty-Two in Base 23 Trivigesimal
11983
mf023
Eleven Thousand Nine Hundred and Eighty-Three in Base 23 Trivigesimal
11984
mf123
Eleven Thousand Nine Hundred and Eighty-Four in Base 23 Trivigesimal

Scientific Notation

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

1.1981e4

Reciprocal

A number multiplied with its reciprocal is one.

0.001084k9c20ha3423

The reciprocal of 11981 in Base 23 Trivigesimal.

Palindrome?

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

The number mel23 is not a palindrome.

A Prime Number

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

Eleven thousand nine hundred and eighty-one is the 1437th prime number.   See primes in Base 23 Trivigesimal

Not A Composite

Composites have more than just these two factors.

Eleven Thousand Nine Hundred and Eighty-One is not a composite number because it has exactly two factors: One and Eleven Thousand Nine Hundred and Eighty-One

Prime Factors

The prime factors of a positive integer are the integers that divide it exactly and are also prime.

The number eleven thousand nine hundred and eighty-one has the following 1 prime factor:

11981
mel23
Eleven Thousand Nine Hundred and Eighty-One in Base 23 Trivigesimal

Prime Factorization

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

mel231 = mel23

Base Conversions

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