The Number

81045

Eighty-One Thousand and Forty-Five

In Base 9 Nonary Is

1331509

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

For more familiar numbers: See Eighty-One Thousand and Forty-Five in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

81042
1331469
Eighty-One Thousand and Forty-Two in Base 9 Nonary
81043
1331479
Eighty-One Thousand and Forty-Three in Base 9 Nonary
81044
1331489
Eighty-One Thousand and Forty-Four in Base 9 Nonary
81046
1331519
Eighty-One Thousand and Forty-Six in Base 9 Nonary
81047
1331529
Eighty-One Thousand and Forty-Seven in Base 9 Nonary
81048
1331539
Eighty-One Thousand 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.

8.1045e4

Reciprocal

A number multiplied with its reciprocal is one.

0.00000650127333265655369

The reciprocal of 81045 in Base 9 Nonary.

Palindrome?

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

The number 1331509 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 and forty-five is a composite number with 12 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 and forty-five is a composite number with 12 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 and forty-five has the following 3 prime factors:

3
39
Three in Base 9 Nonary
5
59
Five in Base 9 Nonary
1801
24219
One Thousand Eight Hundred and 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

392 · 591 · 242191 = 1331509

Base Conversions

The number eighty-one thousand and forty-five in 35 different bases