The Number

19991

Nineteen Thousand Nine Hundred and Ninety-One

In Base 17 Septendecimal Is

412g17

The numbers with a 17 subscript use Base 17 Septendecimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

19988
412d17
Nineteen Thousand Nine Hundred and Eighty-Eight in Base 17 Septendecimal
19989
412e17
Nineteen Thousand Nine Hundred and Eighty-Nine in Base 17 Septendecimal
19990
412f17
Nineteen Thousand Nine Hundred and Ninety in Base 17 Septendecimal
19992
413017
Nineteen Thousand Nine Hundred and Ninety-Two in Base 17 Septendecimal
19993
413117
Nineteen Thousand Nine Hundred and Ninety-Three in Base 17 Septendecimal
19994
413217
Nineteen Thousand Nine Hundred and Ninety-Four in Base 17 Septendecimal

Scientific Notation

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

1.9991e4

Reciprocal

A number multiplied with its reciprocal is one.

0.00043072f45390ag17

The reciprocal of 19991 in Base 17 Septendecimal.

Palindrome?

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

The number 412g17 is not a palindrome.

A Prime Number

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

Nineteen thousand nine hundred and ninety-one is the 2260th prime number.   See primes in Base 17 Septendecimal

Not A Composite

Composites have more than just these two factors.

Nineteen Thousand Nine Hundred and Ninety-One is not a composite number because it has exactly two factors: One and Nineteen Thousand Nine Hundred and Ninety-One

Prime Factors

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

The number nineteen thousand nine hundred and ninety-one has the following 1 prime factor:

19991
412g17
Nineteen Thousand Nine Hundred and Ninety-One in Base 17 Septendecimal

Prime Factorization

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

412g171 = 412g17

Base Conversions

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