The Number

11981

Eleven Thousand Nine Hundred and Eighty-One

In Base 22 Duovigesimal Is

12gd22

The numbers with a 22 subscript use Base 22 Duovigesimal 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
12ga22
Eleven Thousand Nine Hundred and Seventy-Eight in Base 22 Duovigesimal
11979
12gb22
Eleven Thousand Nine Hundred and Seventy-Nine in Base 22 Duovigesimal
11980
12gc22
Eleven Thousand Nine Hundred and Eighty in Base 22 Duovigesimal
11982
12ge22
Eleven Thousand Nine Hundred and Eighty-Two in Base 22 Duovigesimal
11983
12gf22
Eleven Thousand Nine Hundred and Eighty-Three in Base 22 Duovigesimal
11984
12gg22
Eleven Thousand Nine Hundred and Eighty-Four in Base 22 Duovigesimal

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.

0.000jc36hb50e5g22

The reciprocal of 11981 in Base 22 Duovigesimal.

Palindrome?

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

The number 12gd22 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 22 Duovigesimal

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
12gd22
Eleven Thousand Nine Hundred and Eighty-One in Base 22 Duovigesimal

Prime Factorization

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

12gd221 = 12gd22

Base Conversions

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