The Number

20978

Twenty Thousand Nine Hundred and Seventy-Eight

In Base 9 Nonary Is

316889

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

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

Nearby Numbers

Positive, nonzero integers within three units

20975
316859
Twenty Thousand Nine Hundred and Seventy-Five in Base 9 Nonary
20976
316869
Twenty Thousand Nine Hundred and Seventy-Six in Base 9 Nonary
20977
316879
Twenty Thousand Nine Hundred and Seventy-Seven in Base 9 Nonary
20979
317009
Twenty Thousand Nine Hundred and Seventy-Nine in Base 9 Nonary
20980
317019
Twenty Thousand Nine Hundred and Eighty in Base 9 Nonary
20981
317029
Twenty Thousand Nine Hundred and Eighty-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.

2.0978e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0000272888427000773319

The reciprocal of 20978 in Base 9 Nonary.

Palindrome?

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

The number 316889 is not a palindrome.

Not A Prime Number

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

Twenty thousand nine hundred and seventy-eight 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 thousand nine hundred and seventy-eight 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 thousand nine hundred and seventy-eight has the following 3 prime factors:

2
29
Two in Base 9 Nonary
17
189
Seventeen in Base 9 Nonary
617
7559
Six Hundred and Seventeen 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 · 1891 · 75591 = 316889

Base Conversions

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