The Number

21982

Twenty-One Thousand Nine Hundred and Eighty-Two

In Base 9 Nonary Is

331349

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

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

Nearby Numbers

Positive, nonzero integers within three units

21979
331319
Twenty-One Thousand Nine Hundred and Seventy-Nine in Base 9 Nonary
21980
331329
Twenty-One Thousand Nine Hundred and Eighty in Base 9 Nonary
21981
331339
Twenty-One Thousand Nine Hundred and Eighty-One in Base 9 Nonary
21983
331359
Twenty-One Thousand Nine Hundred and Eighty-Three in Base 9 Nonary
21984
331369
Twenty-One Thousand Nine Hundred and Eighty-Four in Base 9 Nonary
21985
331379
Twenty-One Thousand Nine Hundred and Eighty-Five in Base 9 Nonary

Scientific Notation

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

2.1982e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0000261523873386577779

The reciprocal of 21982 in Base 9 Nonary.

Palindrome?

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

The number 331349 is not a palindrome.

Not A Prime Number

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

Twenty-one thousand nine hundred and eighty-two is a composite number with 8 total factors (including 1 and itself).   See primes in Base 9 Nonary

A Composite

Composites have more than just these two factors.

Twenty-one thousand nine hundred and eighty-two is a composite number with 8 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-one thousand nine hundred and eighty-two has the following 3 prime factors:

2
29
Two in Base 9 Nonary
29
329
Twenty-Nine in Base 9 Nonary
379
4619
Three Hundred and Seventy-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

291 · 3291 · 46191 = 331349

Base Conversions

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