The Number

81497

Eighty-One Thousand Four Hundred and Ninety-Seven

In Base 18 Octodecimal Is

dh9b18

The numbers with a 18 subscript use Base 18 Octodecimal notation.

For more familiar numbers: See Eighty-One Thousand Four Hundred and Ninety-Seven in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

81494
dh9818
Eighty-One Thousand Four Hundred and Ninety-Four in Base 18 Octodecimal
81495
dh9918
Eighty-One Thousand Four Hundred and Ninety-Five in Base 18 Octodecimal
81496
dh9a18
Eighty-One Thousand Four Hundred and Ninety-Six in Base 18 Octodecimal
81498
dh9c18
Eighty-One Thousand Four Hundred and Ninety-Eight in Base 18 Octodecimal
81499
dh9d18
Eighty-One Thousand Four Hundred and Ninety-Nine in Base 18 Octodecimal
81500
dh9e18
Eighty-One Thousand Five Hundred in Base 18 Octodecimal

Scientific Notation

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

8.1497e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000153633g8hec1f618

The reciprocal of 81497 in Base 18 Octodecimal.

Palindrome?

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

The number dh9b18 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 four hundred and ninety-seven is a composite number with 4 total factors (including 1 and itself).   See primes in Base 18 Octodecimal

A Composite

Composites have more than just these two factors.

Eighty-one thousand four hundred and ninety-seven is a composite number with 4 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 four hundred and ninety-seven has the following 2 prime factors:

13
d18
Thirteen in Base 18 Octodecimal
6269
116518
Six Thousand Two Hundred and Sixty-Nine in Base 18 Octodecimal

Prime Factorization

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

d181 · 1165181 = dh9b18

Base Conversions

The number eighty-one thousand four hundred and ninety-seven in 35 different bases