The Number

21968

Twenty-One Thousand Nine Hundred and Sixty-Eight

In Base 9 Nonary Is

331189

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

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

Nearby Numbers

Positive, nonzero integers within three units

21965
331159
Twenty-One Thousand Nine Hundred and Sixty-Five in Base 9 Nonary
21966
331169
Twenty-One Thousand Nine Hundred and Sixty-Six in Base 9 Nonary
21967
331179
Twenty-One Thousand Nine Hundred and Sixty-Seven in Base 9 Nonary
21969
331209
Twenty-One Thousand Nine Hundred and Sixty-Nine in Base 9 Nonary
21970
331219
Twenty-One Thousand Nine Hundred and Seventy in Base 9 Nonary
21971
331229
Twenty-One Thousand Nine Hundred and Seventy-One in Base 9 Nonary

Scientific Notation

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

2.1968e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0000261646053783188889

The reciprocal of 21968 in Base 9 Nonary.

Palindrome?

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

The number 331189 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 sixty-eight is a composite number with 10 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 sixty-eight is a composite number with 10 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 sixty-eight has the following 2 prime factors:

2
29
Two in Base 9 Nonary
1373
17859
One Thousand Three Hundred and Seventy-Three in Base 9 Nonary

Prime Factorization

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

294 · 178591 = 331189

Base Conversions

The number twenty-one thousand nine hundred and sixty-eight in 35 different bases