The Number

27981

Twenty-Seven Thousand Nine Hundred and Eighty-One

In Base 9 Nonary Is

423409

The numbers with a 9 subscript use Base 9 Nonary notation.

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

Nearby Numbers

Positive, nonzero integers within three units

27978
423369
Twenty-Seven Thousand Nine Hundred and Seventy-Eight in Base 9 Nonary
27979
423379
Twenty-Seven Thousand Nine Hundred and Seventy-Nine in Base 9 Nonary
27980
423389
Twenty-Seven Thousand Nine Hundred and Eighty in Base 9 Nonary
27982
423419
Twenty-Seven Thousand Nine Hundred and Eighty-Two in Base 9 Nonary
27983
423429
Twenty-Seven Thousand Nine Hundred and Eighty-Three in Base 9 Nonary
27984
423439
Twenty-Seven Thousand Nine Hundred and Eighty-Four in Base 9 Nonary

Scientific Notation

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

2.7981e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0000208837513543515229

The reciprocal of 27981 in Base 9 Nonary.

Palindrome?

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

The number 423409 is not a palindrome.

Not A Prime Number

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

Twenty-seven thousand nine hundred and eighty-one is a composite number with 6 total factors (including 1 and itself).   See primes in Base 9 Nonary

A Composite

Composites have more than just these two factors.

Twenty-seven 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 twenty-seven thousand nine hundred and eighty-one has the following 2 prime factors:

3
39
Three in Base 9 Nonary
3109
42349
Three Thousand One Hundred and Nine in Base 9 Nonary

Prime Factorization

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

392 · 423491 = 423409

Base Conversions

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