The Number

30991

Thirty Thousand Nine Hundred and Ninety-One

In Base 27 Heptavigesimal Is

1fdm27

The numbers with a 27 subscript use Base 27 Heptavigesimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

30988
1fdj27
Thirty Thousand Nine Hundred and Eighty-Eight in Base 27 Heptavigesimal
30989
1fdk27
Thirty Thousand Nine Hundred and Eighty-Nine in Base 27 Heptavigesimal
30990
1fdl27
Thirty Thousand Nine Hundred and Ninety in Base 27 Heptavigesimal
30992
1fdn27
Thirty Thousand Nine Hundred and Ninety-Two in Base 27 Heptavigesimal
30993
1fdo27
Thirty Thousand Nine Hundred and Ninety-Three in Base 27 Heptavigesimal
30994
1fdp27
Thirty Thousand Nine Hundred and Ninety-Four in Base 27 Heptavigesimal

Scientific Notation

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

3.0991e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000h401jqq4klp27

The reciprocal of 30991 in Base 27 Heptavigesimal.

Palindrome?

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

The number 1fdm27 is not a palindrome.

Not A Prime Number

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

Thirty thousand nine hundred and ninety-one is a composite number with 4 total factors (including 1 and itself).   See primes in Base 27 Heptavigesimal

A Composite

Composites have more than just these two factors.

Thirty thousand nine 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 thirty thousand nine hundred and ninety-one has the following 2 prime factors:

17
h27
Seventeen in Base 27 Heptavigesimal
1823
2de27
One Thousand Eight Hundred and Twenty-Three in Base 27 Heptavigesimal

Prime Factorization

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

h271 · 2de271 = 1fdm27

Base Conversions

The number thirty thousand nine hundred and ninety-one in 35 different bases