The Number

9981

Nine Thousand Nine Hundred and Eighty-One

In Base 7 Septenary Is

410467

The numbers with a 7 subscript use Base 7 Septenary notation.

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

Nearby Numbers

Positive, nonzero integers within three units

9978
410437
Nine Thousand Nine Hundred and Seventy-Eight in Base 7 Septenary
9979
410447
Nine Thousand Nine Hundred and Seventy-Nine in Base 7 Septenary
9980
410457
Nine Thousand Nine Hundred and Eighty in Base 7 Septenary
9982
410507
Nine Thousand Nine Hundred and Eighty-Two in Base 7 Septenary
9983
410517
Nine Thousand Nine Hundred and Eighty-Three in Base 7 Septenary
9984
410527
Nine Thousand Nine Hundred and Eighty-Four in Base 7 Septenary

Scientific Notation

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

9.981e3

Reciprocal

A number multiplied with its reciprocal is one.

0.000014534020366546004027

The reciprocal of 9981 in Base 7 Septenary.

Palindrome?

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

The number 410467 is not a palindrome.

Not A Prime Number

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

Nine thousand nine hundred and eighty-one is a composite number with 6 total factors (including 1 and itself).   See primes in Base 7 Septenary

A Composite

Composites have more than just these two factors.

Nine thousand nine hundred and eighty-one is a composite number with 6 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 nine thousand nine hundred and eighty-one has the following 2 prime factors:

3
37
Three in Base 7 Septenary
1109
31437
One Thousand One Hundred and Nine in Base 7 Septenary

Prime Factorization

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

372 · 314371 = 410467

Base Conversions

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