The Number

20945

Twenty Thousand Nine Hundred and Forty-Five

In Base 9 Nonary Is

316529

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

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

Nearby Numbers

Positive, nonzero integers within three units

20942
316489
Twenty Thousand Nine Hundred and Forty-Two in Base 9 Nonary
20943
316509
Twenty Thousand Nine Hundred and Forty-Three in Base 9 Nonary
20944
316519
Twenty Thousand Nine Hundred and Forty-Four in Base 9 Nonary
20946
316539
Twenty Thousand Nine Hundred and Forty-Six in Base 9 Nonary
20947
316549
Twenty Thousand Nine Hundred and Forty-Seven in Base 9 Nonary
20948
316559
Twenty Thousand Nine Hundred and Forty-Eight in Base 9 Nonary

Scientific Notation

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

2.0945e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0000273320316104363669

The reciprocal of 20945 in Base 9 Nonary.

Palindrome?

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

The number 316529 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 forty-five 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 forty-five 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 forty-five has the following 3 prime factors:

5
59
Five in Base 9 Nonary
59
659
Fifty-Nine in Base 9 Nonary
71
789
Seventy-One in Base 9 Nonary

Prime Factorization

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

591 · 6591 · 7891 = 316529

Base Conversions

The number twenty thousand nine hundred and forty-five in 35 different bases