The Number

31081

Thirty-One Thousand and Eighty-One

In Base 18 Octodecimal Is

55gd18

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

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

Nearby Numbers

Positive, nonzero integers within three units

31078
55ga18
Thirty-One Thousand and Seventy-Eight in Base 18 Octodecimal
31079
55gb18
Thirty-One Thousand and Seventy-Nine in Base 18 Octodecimal
31080
55gc18
Thirty-One Thousand and Eighty in Base 18 Octodecimal
31082
55ge18
Thirty-One Thousand and Eighty-Two in Base 18 Octodecimal
31083
55gf18
Thirty-One Thousand and Eighty-Three in Base 18 Octodecimal
31084
55gg18
Thirty-One Thousand and Eighty-Four in Base 18 Octodecimal

Scientific Notation

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

3.1081e4

Reciprocal

A number multiplied with its reciprocal is one.

0.00036e5a33d960gb18

The reciprocal of 31081 in Base 18 Octodecimal.

Palindrome?

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

The number 55gd18 is not a palindrome.

A Prime Number

A prime number is a positive integer that is divisible only by itself and one.

Thirty-one thousand and eighty-one is the 3349th prime number.   See primes in Base 18 Octodecimal

Not A Composite

Composites have more than just these two factors.

Thirty-One Thousand and Eighty-One is not a composite number because it has exactly two factors: One and Thirty-One Thousand and Eighty-One

Prime Factors

The prime factors of a positive integer are the integers that divide it exactly and are also prime.

The number thirty-one thousand and eighty-one has the following 1 prime factor:

31081
55gd18
Thirty-One Thousand and Eighty-One in Base 18 Octodecimal

Prime Factorization

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

55gd181 = 55gd18

Base Conversions

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