The Number

81691

Eighty-One Thousand Six Hundred and Ninety-One

In Base 30 Trigesimal Is

30n130

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

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

Nearby Numbers

Positive, nonzero integers within three units

81688
30ms30
Eighty-One Thousand Six Hundred and Eighty-Eight in Base 30 Trigesimal
81689
30mt30
Eighty-One Thousand Six Hundred and Eighty-Nine in Base 30 Trigesimal
81690
30n030
Eighty-One Thousand Six Hundred and Ninety in Base 30 Trigesimal
81692
30n230
Eighty-One Thousand Six Hundred and Ninety-Two in Base 30 Trigesimal
81693
30n330
Eighty-One Thousand Six Hundred and Ninety-Three in Base 30 Trigesimal
81694
30n430
Eighty-One Thousand Six Hundred and Ninety-Four in Base 30 Trigesimal

Scientific Notation

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

8.1691e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0009rdq4eqo9ej30

The reciprocal of 81691 in Base 30 Trigesimal.

Palindrome?

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

The number 30n130 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 six hundred and ninety-one is a composite number with 4 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 six hundred and ninety-one is a composite number with 4 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 six hundred and ninety-one has the following 2 prime factors:

151
5130
One Hundred and Fifty-One in Base 30 Trigesimal
541
i130
Five Hundred and 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

51301 · i1301 = 30n130

Base Conversions

The number eighty-one thousand six hundred and ninety-one in 35 different bases