The Number

11981

Eleven Thousand Nine Hundred and Eighty-One

In Base 6 Senary Is

1312456

The numbers with a 6 subscript use Base 6 Senary 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
1312426
Eleven Thousand Nine Hundred and Seventy-Eight in Base 6 Senary
11979
1312436
Eleven Thousand Nine Hundred and Seventy-Nine in Base 6 Senary
11980
1312446
Eleven Thousand Nine Hundred and Eighty in Base 6 Senary
11982
1312506
Eleven Thousand Nine Hundred and Eighty-Two in Base 6 Senary
11983
1312516
Eleven Thousand Nine Hundred and Eighty-Three in Base 6 Senary
11984
1312526
Eleven Thousand Nine Hundred and Eighty-Four in Base 6 Senary

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.

0.000003521050110421101200526

The reciprocal of 11981 in Base 6 Senary.

Palindrome?

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

The number 1312456 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 6 Senary

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
1312456
Eleven Thousand Nine Hundred and Eighty-One in Base 6 Senary

Prime Factorization

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

13124561 = 1312456

Base Conversions

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