The Number

81225

Eighty-One Thousand Two Hundred and Twenty-Five

In Base 18 Octodecimal Is

dgc918

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

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

Nearby Numbers

Positive, nonzero integers within three units

81222
dgc618
Eighty-One Thousand Two Hundred and Twenty-Two in Base 18 Octodecimal
81223
dgc718
Eighty-One Thousand Two Hundred and Twenty-Three in Base 18 Octodecimal
81224
dgc818
Eighty-One Thousand Two Hundred and Twenty-Four in Base 18 Octodecimal
81226
dgca18
Eighty-One Thousand Two Hundred and Twenty-Six in Base 18 Octodecimal
81227
dgcb18
Eighty-One Thousand Two Hundred and Twenty-Seven in Base 18 Octodecimal
81228
dgcc18
Eighty-One Thousand Two Hundred and Twenty-Eight in Base 18 Octodecimal

Scientific Notation

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

8.1225e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000154d6098ade3f718

The reciprocal of 81225 in Base 18 Octodecimal.

Palindrome?

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

The number dgc918 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 two hundred and twenty-five is a composite number with 27 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 two hundred and twenty-five is a composite number with 27 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 two hundred and twenty-five has the following 3 prime factors:

3
318
Three in Base 18 Octodecimal
5
518
Five in Base 18 Octodecimal
19
1118
Nineteen in Base 18 Octodecimal

Prime Factorization

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

3182 · 5182 · 11182 = dgc918

Base Conversions

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