The Number

81540

Eighty-One Thousand Five Hundred and Forty

In Base 9 Nonary Is

1337609

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

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

Nearby Numbers

Positive, nonzero integers within three units

81537
1337569
Eighty-One Thousand Five Hundred and Thirty-Seven in Base 9 Nonary
81538
1337579
Eighty-One Thousand Five Hundred and Thirty-Eight in Base 9 Nonary
81539
1337589
Eighty-One Thousand Five Hundred and Thirty-Nine in Base 9 Nonary
81541
1337619
Eighty-One Thousand Five Hundred and Forty-One in Base 9 Nonary
81542
1337629
Eighty-One Thousand Five Hundred and Forty-Two in Base 9 Nonary
81543
1337639
Eighty-One Thousand Five Hundred and Forty-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.

8.1540e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0000064582571017150229

The reciprocal of 81540 in Base 9 Nonary.

Palindrome?

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

The number 1337609 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 five hundred and forty is a composite number with 48 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 five hundred and forty is a composite number with 48 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 five hundred and forty has the following 4 prime factors:

2
29
Two in Base 9 Nonary
3
39
Three in Base 9 Nonary
5
59
Five in Base 9 Nonary
151
1779
One Hundred and Fifty-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

292 · 393 · 591 · 17791 = 1337609

Base Conversions

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