The Number

81025

Eighty-One Thousand and Twenty-Five

In Base 18 Octodecimal Is

dg1718

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

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

Nearby Numbers

Positive, nonzero integers within three units

81022
dg1418
Eighty-One Thousand and Twenty-Two in Base 18 Octodecimal
81023
dg1518
Eighty-One Thousand and Twenty-Three in Base 18 Octodecimal
81024
dg1618
Eighty-One Thousand and Twenty-Four in Base 18 Octodecimal
81026
dg1818
Eighty-One Thousand and Twenty-Six in Base 18 Octodecimal
81027
dg1918
Eighty-One Thousand and Twenty-Seven in Base 18 Octodecimal
81028
dg1a18
Eighty-One Thousand 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.

8.1025e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000155dgg9b06088918

The reciprocal of 81025 in Base 18 Octodecimal.

Palindrome?

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

The number dg1718 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 twenty-five is a composite number with 12 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 and twenty-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 twenty-five has the following 3 prime factors:

5
518
Five in Base 18 Octodecimal
7
718
Seven in Base 18 Octodecimal
463
17d18
Four Hundred and Sixty-Three in Base 18 Octodecimal

Prime Factorization

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

5182 · 7181 · 17d181 = dg1718

Base Conversions

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