The Number

81015

Eighty-One Thousand and Fifteen

In Base 9 Nonary Is

1331169

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

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

Nearby Numbers

Positive, nonzero integers within three units

81012
1331139
Eighty-One Thousand and Twelve in Base 9 Nonary
81013
1331149
Eighty-One Thousand and Thirteen in Base 9 Nonary
81014
1331159
Eighty-One Thousand and Fourteen in Base 9 Nonary
81016
1331179
Eighty-One Thousand and Sixteen in Base 9 Nonary
81017
1331189
Eighty-One Thousand and Seventeen in Base 9 Nonary
81018
1331209
Eighty-One Thousand and Eightteen in Base 9 Nonary

Scientific Notation

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

8.1015e4

Reciprocal

A number multiplied with its reciprocal is one.

0.00000650306673352580519

The reciprocal of 81015 in Base 9 Nonary.

Palindrome?

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

The number 1331169 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 fifteen is a composite number with 16 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 fifteen is a composite number with 16 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 fifteen has the following 4 prime factors:

3
39
Three in Base 9 Nonary
5
59
Five in Base 9 Nonary
11
129
Eleven in Base 9 Nonary
491
6059
Four Hundred and Ninety-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

391 · 591 · 1291 · 60591 = 1331169

Base Conversions

The number eighty-one thousand and fifteen in 35 different bases