The Number

81920

Eighty-One Thousand Nine Hundred and Twenty

In Base 9 Nonary Is

1343329

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

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

Nearby Numbers

Positive, nonzero integers within three units

81917
1343289
Eighty-One Thousand Nine Hundred and Seventeen in Base 9 Nonary
81918
1343309
Eighty-One Thousand Nine Hundred and Eightteen in Base 9 Nonary
81919
1343319
Eighty-One Thousand Nine Hundred and Nineteen in Base 9 Nonary
81921
1343339
Eighty-One Thousand Nine Hundred and Twenty-One in Base 9 Nonary
81922
1343349
Eighty-One Thousand Nine Hundred and Twenty-Two in Base 9 Nonary
81923
1343359
Eighty-One Thousand Nine Hundred and Twenty-Three in Base 9 Nonary

Scientific Notation

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

8.1920e4

Reciprocal

A number multiplied with its reciprocal is one.

0.00000643422515351673469

The reciprocal of 81920 in Base 9 Nonary.

Palindrome?

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

The number 1343329 is not a palindrome.

Not A Prime Number

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

Eighty-one thousand nine hundred and twenty is a composite number with 30 total factors (including 1 and itself).   See primes in Base 9 Nonary

A Composite

Composites have more than just these two factors.

Eighty-one thousand nine hundred and twenty is a composite number with 30 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 eighty-one thousand nine hundred and twenty has the following 2 prime factors:

2
29
Two in Base 9 Nonary
5
59
Five in Base 9 Nonary

Prime Factorization

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

2914 · 591 = 1343329

Base Conversions

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