The Number

81818

Eighty-One Thousand Eight Hundred and Eightteen

In Base 30 Trigesimal Is

30r830

The numbers with a 30 subscript use Base 30 Trigesimal notation.

For more familiar numbers: See Eighty-One Thousand Eight Hundred and Eightteen in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

81815
30r530
Eighty-One Thousand Eight Hundred and Fifteen in Base 30 Trigesimal
81816
30r630
Eighty-One Thousand Eight Hundred and Sixteen in Base 30 Trigesimal
81817
30r730
Eighty-One Thousand Eight Hundred and Seventeen in Base 30 Trigesimal
81819
30r930
Eighty-One Thousand Eight Hundred and Nineteen in Base 30 Trigesimal
81820
30ra30
Eighty-One Thousand Eight Hundred and Twenty in Base 30 Trigesimal
81821
30rb30
Eighty-One Thousand Eight Hundred and Twenty-One in Base 30 Trigesimal

Scientific Notation

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

8.1818e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0009r00hoi122930

The reciprocal of 81818 in Base 30 Trigesimal.

Palindrome?

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

The number 30r830 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 eight hundred and eightteen is a composite number with 8 total factors (including 1 and itself).   See primes in Base 30 Trigesimal

A Composite

Composites have more than just these two factors.

Eighty-one thousand eight hundred and eightteen is a composite number with 8 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 eight hundred and eightteen has the following 3 prime factors:

2
230
Two in Base 30 Trigesimal
11
b30
Eleven in Base 30 Trigesimal
3719
43t30
Three Thousand Seven Hundred and Nineteen in Base 30 Trigesimal

Prime Factorization

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

2301 · b301 · 43t301 = 30r830

Base Conversions

The number eighty-one thousand eight hundred and eightteen in 35 different bases