The Number

21913

Twenty-One Thousand Nine Hundred and Thirteen

In Base 9 Nonary Is

330479

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

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

Nearby Numbers

Positive, nonzero integers within three units

21910
330449
Twenty-One Thousand Nine Hundred and Ten in Base 9 Nonary
21911
330459
Twenty-One Thousand Nine Hundred and Eleven in Base 9 Nonary
21912
330469
Twenty-One Thousand Nine Hundred and Twelve in Base 9 Nonary
21914
330489
Twenty-One Thousand Nine Hundred and Fourteen in Base 9 Nonary
21915
330509
Twenty-One Thousand Nine Hundred and Fifteen in Base 9 Nonary
21916
330519
Twenty-One Thousand Nine Hundred and Sixteen in Base 9 Nonary

Scientific Notation

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

2.1913e4

Reciprocal

A number multiplied with its reciprocal is one.

0.00002622384004410725659

The reciprocal of 21913 in Base 9 Nonary.

Palindrome?

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

The number 330479 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 thirteen is a composite number with 4 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 thirteen is a composite number with 4 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 thirteen has the following 2 prime factors:

17
189
Seventeen in Base 9 Nonary
1289
16829
One Thousand Two Hundred and Eighty-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

1891 · 168291 = 330479

Base Conversions

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