The Number

81918

Eighty-One Thousand Nine Hundred and Eightteen

In Base 30 Trigesimal Is

310i30

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

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

Nearby Numbers

Positive, nonzero integers within three units

81915
310f30
Eighty-One Thousand Nine Hundred and Fifteen in Base 30 Trigesimal
81916
310g30
Eighty-One Thousand Nine Hundred and Sixteen in Base 30 Trigesimal
81917
310h30
Eighty-One Thousand Nine Hundred and Seventeen in Base 30 Trigesimal
81919
310j30
Eighty-One Thousand Nine Hundred and Nineteen in Base 30 Trigesimal
81920
310k30
Eighty-One Thousand Nine Hundred and Twenty in Base 30 Trigesimal
81921
310l30
Eighty-One Thousand Nine 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.

8.1918e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0009qj48m6p86730

The reciprocal of 81918 in Base 30 Trigesimal.

Palindrome?

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

The number 310i30 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 nine hundred and eightteen is a composite number with 32 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 nine hundred and eightteen is a composite number with 32 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 nine hundred and eightteen has the following 4 prime factors:

2
230
Two in Base 30 Trigesimal
3
330
Three in Base 30 Trigesimal
37
1730
Thirty-Seven in Base 30 Trigesimal
41
1b30
Forty-One 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 · 3303 · 17301 · 1b301 = 310i30

Base Conversions

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