The Number

11981

Eleven Thousand Nine Hundred and Eighty-One

In Base 3 Ternary Is

1211022023

The numbers with a 3 subscript use Base 3 Ternary 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
1211021223
Eleven Thousand Nine Hundred and Seventy-Eight in Base 3 Ternary
11979
1211022003
Eleven Thousand Nine Hundred and Seventy-Nine in Base 3 Ternary
11980
1211022013
Eleven Thousand Nine Hundred and Eighty in Base 3 Ternary
11982
1211022103
Eleven Thousand Nine Hundred and Eighty-Two in Base 3 Ternary
11983
1211022113
Eleven Thousand Nine Hundred and Eighty-Three in Base 3 Ternary
11984
1211022123
Eleven Thousand Nine Hundred and Eighty-Four in Base 3 Ternary

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.

0.00000000112210012202011021022012110222113

The reciprocal of 11981 in Base 3 Ternary.

Palindrome?

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

The number 1211022023 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 3 Ternary

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
1211022023
Eleven Thousand Nine Hundred and Eighty-One in Base 3 Ternary

Prime Factorization

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

12110220231 = 1211022023

Base Conversions

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